Survival with trisomy 18 : Data from Switzerland : Trisomy 18NIEDRIST, D; RIEGEL, M; ACHERMANN, J et al.American journal of medical genetics. Part A. 2006, Vol 140, Num 9, pp 952-959, issn 1552-4825, 8 p.Article

Sex biases in parasitism of neotropical bats by bat flies (Diptera: Streblidae)PATTERSON, Bruce D; DICK, Carl W; DITTMAR, Katharina et al.Journal of tropical ecology. 2008, Vol 24, pp 387-396, issn 0266-4674, 10 p., 4Article

Culling regimes and sex ratio biases in highland red deerCLUTTON-BROCK, T. H; LONERGAN, M. E.Journal of applied ecology. 1994, Vol 31, Num 3, pp 521-527, issn 0021-8901Article

Are there preconceptional determinants of mammalian sex? A response to Boklage (2005)JAMES, William H.Human reproduction (Oxford. Print). 2006, Vol 21, Num 10, pp 2486-2490, issn 0268-1161, 5 p.Article

PRELIMINARY CHARACTERIZATION OF SEX RATIO AND REDISCOVERY AND REINTERPRETATION OF MALE SEX RATIO IN DROSOPHILA AFFINIS = CARACTERISATION PRELIMINAIRE DU SEX RATIO; REDECOUVERTE ET REINTERPRETATION DU MALE SEX RATIO CHEZ D.A.VOELKER RA.1972; GENETICS; U.S.A.; DA. 1972; VOL. 71; NO 4; PP. 597-606; BIBL. 1 P.Serial Issue

Over-ripeness ovopathy: A challenging hypothesis for sex ratio modulationJONGBLOET, P. H.Human reproduction (Oxford. Print). 2004, Vol 19, Num 4, pp 769-774, issn 0268-1161, 6 p.Article

Further evidence that mammalian sex ratios at birth are partially controlled by parental hormone levels around the time of conceptionJAMES, William H.Human reproduction (Oxford. Print). 2004, Vol 19, Num 6, pp 1250-1256, issn 0268-1161, 7 p.Article

Nonlinear and population-specific offspring sex ratios in relation to high variation in prey abundanceMILLON, Alexandre; BRETAGNOLLE, Vincent.Oikos. 2005, Vol 108, Num 3, pp 535-543, issn 0030-1299, 9 p.Article

Sex ratio in the soft-shell clam, Mya arenariaAPPELDOORN, R. S.The Nautilus (Philadelphia, PA). 1984, Vol 98, Num 2, pp 61-63, issn 0028-1344Article

AMERICAN KESTREL SEX RATIOS AND HABITAT SEPARATION.MILLS GS.1976; ; AUK; U.S.A.; DA. 1976; VOL. 93; NO 4; PP. 740-748; BIBL. 1 P. 1/2Article

Male excess among anatomically normal fetuses in spontaneous abortionsBYRNE, J; WARBURTON, D.American journal of medical genetics. 1987, Vol 26, Num 3, pp 605-611, issn 0148-7299Article

Sex ratios and hermaphroditism in nemipterid fish from northern AustraliaYOUNG, P. C; MARTIN, R. B.Journal of fish biology. 1985, Vol 26, Num 3, pp 273-287, issn 0022-1112Article

The adaptive value of male-biased sex ratios among stressed animalsMCGINLEY, M. A.The American naturalist. 1984, Vol 124, Num 4, pp 597-599, issn 0003-0147Article

A two-generation study of human sex-ratio variationCURTSINGER, J. W; ITO, R; HIRAIZUMI, Y et al.American journal of human genetics. 1983, Vol 35, Num 5, pp 951-961, issn 0002-9297Article

Sex ratio and egg sequence in ring-billed gullsRYDER, J. P.The Auk. 1983, Vol 100, Num 3, pp 726-728, issn 0004-8038Article

Placenta praevia and sex ratio at birthMACGILLIVRAY, I; DAVEY, D; ISAACS, S et al.British medical journal (1857). 1986, Vol 292, Num 6517, pp 371-372, issn 0007-1447Article

The sex ratios of Black birthsJAMES, W. H.Annals of human biology. 1984, Vol 11, Num 1, pp 39-44, issn 0301-4460Article

THE SEX RATIO IN THE COMMON TICK IXODES RICINUS (L.)CERNY V.1977; FOLIA PARASITOL.; TCHECOSL.; DA. 1977; VOL. 24; NO 4; PP. 346Article

Small Populations and Offspring Sex-Ratio Deviations in EaglesFERRER, Miguel; NEWTON, Ian; PANDOLFI, Massimo et al.Conservation biology. 2009, Vol 23, Num 4, pp 1017-1025, issn 0888-8892, 9 p.Article

ACP1 and offspring sex ratio in smoking puerperae : A study at population levelGLORIA-BOTTINI, F; MELONI, G. F; GRASSI, S et al.Early human development. 2007, Vol 83, Num 6, pp 349-354, issn 0378-3782, 6 p.Article

Relationship between brood sex ratio and male ornaments depends on male age in a warblerTAFF, Conor C; FREEMAN-GALLANT, Corey R; DUNN, Peter O et al.Animal behaviour (Print). 2011, Vol 81, pp 619-625, issn 0003-3472, 7 p., 3Article

Big and tall soldiers are more likely to survive battle : a possible explanation for the 'returning soldier effect' on the secondary sex ratioKANAZAWA, Satoshi.Human reproduction (Oxford. Print). 2007, Vol 22, Num 11, pp 3002-3008, issn 0268-1161, 7 p.Article

Virility deficiency and the sex-ratio trait in Drosophila pseudoobscura. I: Sperm displacement and sexual selectionCHUNG-I WU.Genetics. 1983, Vol 105, Num 3, pp 651-662, issn 0016-6731Article

Influences of maternal weight on the secondary sex ratio of human offspringCAGNACCI, A; RENZI, A; ARANGINO, S et al.Human reproduction (Oxford. Print). 2004, Vol 19, Num 2, pp 442-444, issn 0268-1161, 3 p.Article

An investigation of the genetics of male sex-ratio phenotype in Drosophila pseudoobscuraCOBBS, G.Genetics. 1986, Vol 113, Num 2, pp 355-365, issn 0016-6731Article