Comparative studies on the initiation of laborNATHANIELSZ, P. W.European journal of obstetrics, gynecology, and reproductive biology. 1998, Vol 78, Num 2, pp 127-132, issn 0301-2115Conference Paper

Myometrial activity and plasma progesterone and oxytocin concentrations in cycling and early-pregnant ewesRHODES, L; NATHANIELSZ, P. W.Biology of reproduction. 1990, Vol 42, Num 5-6, pp 834-841, issn 0006-3363, 8 p.Article

How far upstream or downstream is corticotropin-releasing hormone in the overall process of parturition in rhesus monkeys?NATHANIELSZ, P. W.American journal of obstetrics and gynecology. 1999, Vol 180, Num 1, pp 267-268, issn 0002-9378, 3Article

Prostaglandin H synthase activity in the sheep placenta during cortisol-induced labor at 128-131 days of gestation and during spontaneous delivery at termWIMSATT, J; NATHANIELSZ, P. W.Prostaglandins, leukotrienes and essential fatty acids. 1995, Vol 53, Num 1, pp 53-58, issn 0952-3278Article

Induction of prostaglandin endoperoxide synthase isoform-2 in ovine cotyledonary tissues during late gestationWIMSATT, J; NATHANIELSZ, P. W; SIROIS, J et al.Endocrinology (Philadelphia). 1993, Vol 133, Num 3, pp 1068-1073, issn 0013-7227Article

Prenatal and postnatal ovine adrenal cell responses to prostaglandin E₂ZAMBRANO, E; NATHANIELSZ, P. W; MCDONALD, T. J et al.Journal of the Society for Gynecologic Investigation. 2001, Vol 8, Num 3, pp 149-157, issn 1071-5576Article

Bilateral destruction of the fetal paraventricular nuclei prolongs gestation in sheepMCDONALD, T. J; NATHANIELSZ, P. W.American journal of obstetrics and gynecology. 1991, Vol 165, Num 3, pp 764-770, issn 0002-9378Article

The effect of continuous or pulsatile administration of oxytocin to ewes at 126 to 136 days's gestation on myometrial activity and fetal oxygenationPIMENTEL, G; POORE, E. R; NATHANIELSZ, P. W et al.American journal of obstetrics and gynecology. 1989, Vol 160, Num 1, pp 242-247, issn 0002-9378Article

Alteration of fetal oxygenation and responses to acute hypoxemia by increased myometrial contracture frequency produced by pulse administration of oxytocin to the pregnant ewe from 96 to 131 days' gestationSHINOZUKA, N; YEN, A; NATHANIELSZ, P. W et al.American journal of obstetrics and gynecology. 1999, Vol 180, Num 5, pp 1202-1208, issn 0002-9378Article

Primate parturition and the role of the maternal circadian systemHONNEBIER, M. B. O. M; NATHANIELSZ, P. W.European journal of obstetrics, gynecology, and reproductive biology. 1994, Vol 55, Num 3, pp 193-203, issn 0301-2115Article

Effect of 48-hour infusion of the synthetic oxytocin antagonist, [1-β-mercapto(β(CH₂)₅)₁(OMe)Tyr², Orn⁸]-oxytocin, on myometrial activity of pregnant sheep at 139-140 days of gestationOWINY, J. R; MITCHELL, M; NATHANIELSZ, P. W et al.Biology of reproduction. 1992, Vol 47, Num 3, pp 436-440, issn 0006-3363Article

Neonatal ovine adrenal cortical and medullary cell H+ responses to ACTH and prostaglandin E₂ZAMBRANO, E; NATHANIELSZ, P. W; MCDONALD, T. J et al.Biology of the neonate. 2002, Vol 82, Num 4, pp 243-249, issn 0006-3126, 7 p.Conference Paper

Increased myometrial contracture frequency at 96-140 days accelerates fetal cardiovascular maturationSHINOZUKA, N; YEN, A; NATHANIELSZ, P. W et al.American journal of physiology. Heart and circulatory physiology. 2000, Vol 47, Num 1, pp H41-H49, issn 0363-6135Article

Differential regulation of prostaglandin EP and FP receptors in pregnant sheep myometrium and endometrium during spontaneous term laborXIOAHONG MA; WEN XUAN WU; NATHANIELSZ, P. W et al.Biology of reproduction. 1999, Vol 61, Num 5, pp 1281-1286, issn 0006-3363Article

In vivo administration of nimesulide, a selective PGHS-2 inhibitor, increases in vitro myometrial sensitivity to prostaglandins while lowering sensitivity to oxytocinBAGUMA-NIBASHEKA, M; NATHANIELSZ, P. W.Journal of the Society for Gynecologic Investigation. 1998, Vol 5, Num 6, pp 296-299, issn 1071-5576Article

Effect of bilateral splanchnic nerve section on adrenal function in the ovine fetusMYERS, D. A; ROBERTSHAW, D; NATHANIELSZ, P. W et al.Endocrinology (Philadelphia). 1990, Vol 127, Num 5, pp 2328-2335, issn 0013-7227, 8 p.Article

Transcutaneous scalp PO₂ measurements in the fetal sheep: the influence of external pressure on the electrode or on the skinJANSEN, C. A. M; NATHANIELSZ, P. W.American journal of obstetrics and gynecology. 1983, Vol 147, Num 5, pp 508-513, issn 0002-9378Article

Betamethasone-mediated vascular dysfunction and changes in hematological profile in the ovine fetusANWAR, M. A; SCHWAB, M; POSTON, L et al.American journal of physiology. Heart and circulatory physiology. 1999, Vol 45, Num 4, pp H1137-H1143, issn 0363-6135Article

Effects of glucocorticoids on estrogen receptor messenger ribonucleic acid in the pregnant ovine myometrium in vivo and in vitroWEN XUAN WU; DERKS, J. B; NATHANIELSZ, P. W et al.Biology of reproduction. 1996, Vol 54, Num 1, pp 230-241, issn 0006-3363Article

Effect of placement of dexamethasone adjacent to the ovine fetal paraventricular nucleus on adrenocortical steroid hydroxylase messenger ribonucleic acidMYERS, D. A; MCDONALD, T. J; NATHANIELSZ, P. W et al.Endocrinology (Philadelphia). 1992, Vol 131, Num 3, pp 1329-1335, issn 0013-7227Article

Hypothalamic paraventricular nuclear lesions delay corticotroph maturation in the fetal sheep anterior pituitaryMCDONALD, T. J; HOFFMAN, G. E; NATHANIELSZ, P. W et al.Endocrinology (Philadelphia). 1992, Vol 131, Num 3, pp 1101-1106, issn 0013-7227Article

Hemodynamic validation of doppler assessment of fetoplacental circulation in a sheep model systemMAULIK, D; PRASAD YARLAGADDA; NATHANIELSZ, P. W et al.Journal of ultrasound in medicine. 1989, Vol 8, Num 4, pp 177-181, issn 0278-4297, 5 p.Article

Expression of prostanoid receptor genes in baboon chorion and decidua during pregnancy and parturitionSMITH, G. C. S; WU, W. X; NATHANIELSZ, P. W et al.Journal of endocrinology. 2001, Vol 168, Num 2, pp 263-272, issn 0022-0795Article

Changes in prostacyclin synthase in pregnant sheep myometrium, endometrium, and placenta at spontaneous term labor and regulation by estradiol and progesteroneWEN XUAN WU; XIAO HONG MA; NATHANIELSZ, P. W et al.American journal of obstetrics and gynecology. 1999, Vol 180, Num 3, pp 744-749, issn 0002-9378, 1Article

Further characterization of the electromyographic activity of the myometrium and mesometrium in nonpregnant sheep under estrogen supplementationMASSMANN, G. A; FIGUEROA, J. P; NATHANIELSZ, P. W et al.Biology of reproduction. 1991, Vol 45, Num 4, pp 605-610, issn 0006-3363Article