MEASUREMENT OF DNA IN CULTURED HUMAN CELLSLEYVA A JR; KELLEY WN.1974; ANAL. BIOCHEM.; U.S.A.; DA. 1974; VOL. 62; NO 1; PP. 173-179; BIBL. 7REF.Article

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EFFECT OF 6-MERCAPTOPURINE ON INOSINIC ACID DEHYDROGENASE IN CULTURED HUMAN FIBROBLASTSLEYVA A; HOLMES EW JR; KELLEY WN et al.1976; BIOCHEM. PHARMACOL.; G.B.; DA. 1976; VOL. 25; NO 5; PP. 527-532; BIBL. 19 REF.Article

IS THERE A ROLE FOR THYMIDINE IN CANCER CHEMOTHERAPY. = Y A-T-IL UNE PLACE POUR LA THYMIDINE DANS LA CHIMIOTHERAPIE ANTITUMORALE.SCHORNAGEL JH; LEYVA A; PINEDO HM et al.1982; CANCER TREATMENT REVIEWS; ISSN 0305-7372; USA; DA. 1982; VOL. 9; NO 4; PP. 331-352; BIBL. 118 REF.; GRAPH, FIGArticle

TREATMENT OF LITHIASIS BY THE FORCED INJECTION OF LIQUID AND URETERAL CATHETERIZATION BY THE TRANSLUMBAR ROUTE.QUIROGA WEISS E; LEYVA A; HERNANDEZ A et al.1976; INTERNATION. SURG.; U.S.A.; DA. 1976; VOL. 61; NO 8; PP. 419-422; BIBL. 2 REF.Article

A PURINE AUXOTROPH DEFICIENT IN PHOSPHORIBOSYLPYROPHOSPHATE AMIDOTRANSFERASE AND PHOSPHORIBOSYLPYROPHOSPHATE AMINOTRANSFERASE ACTIVITIES WITH NORMAL ACTIVITY OF RIBOSE-5-PHOSPHATE AMINOTRANSFERASE.HOLMES EW; KING GL; LEYVA A et al.1976; PROC. NATION. ACAD. SCI. U.S.A.; U.S.A.; DA. 1976; VOL. 73; NO 7; PP. 2458-2461; BIBL. 26 REF.Article

ANALYSIS OF HGPRT^- CRM⁺ HUMAN LYMPHOBLASTS MUTANTSEPSTEIN J; GHANGAS GS; LEYVA A et al.1979; SOMAT. CELL GENET.; USA; DA. 1979; VOL. 5; NO 6; PP. 809-820; BIBL. 18 REF.Article

HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE DEFICIENCY: ASSOCIATION OF REDUCED CATALYTIC ACTIVITY WITH REDUCED LEVELS OF IMMUNOLOGICALLY DETECTABLE ENZYME PROTEIN.UPCHURCH KS; LEYVA A; ARNOLD WJ et al.1975; PROC. NATION. ACAD. SCI. U.S.A.; U.S.A.; DA. 1975; VOL. 72; NO 10; PP. 4142-4146; BIBL. 17 REF.Article

PLASMA CONCENTRATION OF CARMINOMYCIN AND CARMINOMYCINOL IN MAN, MEASURED BY HIGH PRESSURE LIQUID CHROMATOGRAPHYLANKELMA J; PENDERS PGM; MCVIE JG et al.1982; EUR. J. CANCER CLIN. ONCOL.; ISSN 0277-5379; GBR; DA. 1982; VOL. 18; NO 4; PP. 363-367; BIBL. 7 REF.Article

DETERMINATION OF THIOPROLINE IN PLASMA USING HIGH PERFORMANCE LIQUID CHROMATOGRAPHYLANKELMA J; PENDERS PGM; LEYVA A et al.1981; CANCER LETT.; ISSN 0304-3835; NLD; DA. 1981; VOL. 12; NO 1-2; PP. 131-137; BIBL. 5 REF.Article

REVERSAL OF METHOTREXATE INHIBITION OF COLONY GROWTH OF L1210 LEUKEMIA CELLS INS SEMISOLID MEDIUMNEDERBRAGT H; UITENDAAL MP; VAN DER GRINT L et al.1981; CANCER RES.; ISSN 0008-5472; USA; DA. 1981; VOL. 41; NO 3; PP. 1193-1198; BIBL. 20 REF.Article

DETERMINATION OF N-(PHOSPHONACETYL)-L-ASPARTIC ACID (PALA) IN PLASMA AND URINE BY HIGH PRESSURE LIQUID CHROMATOGRAPHYLANKELMA J; PENDERS PGM; LEYVA A et al.1980; EUR. J. CANCER; ISSN 0014-2964; GBR; DA. 1980; VOL. 16; NO 11; PP. 1483-1487; BIBL. 10 REF.Article

MUTAGEN-INDUCED DIPLOID HUMAN LYMPHOBLAST VARIANTS CONTAINING ALTERED HYPOXANTHINE GUANINE PHOSPHORIBOSYL TRANSFERASE.EPSTEIN J; LEYVA A; KELLEY WN et al.1977; SOMAT. CELL GENET.; U.S.A.; DA. 1977; VOL. 3; NO 2; PP. 135-148; BIBL. 27 REF.Article

Indigenous plasmids and cultural characteristics of rhizobia nodulating chickpeas (Cicer arietinum L.)CADAHIA, E; LEYVA, A; RUIZ-ARGUESO, T et al.Archives of microbiology. 1986, Vol 146, Num 3, pp 239-244, issn 0302-8933Article

Diverse deoxyribonucleotide profiles in cultured human cells with differential sensitivity to thymidine = Divers types de désoxyribonucléotides dans les cultures de cellules humaines présentant une différence de sensibilité à la thymidineLEYVA, A; APPEL, H; PINEDO, H. M et al.Cancer biochemistry biophysics. 1984, Vol 7, Num 3, pp 231-237, issn 0305-7232Article

Sand and synthetic medium filtration of advanced primary treatment effluent from Mexico CityJIMENEZ, B; CHAVEZ, A; LEYVA, A et al.Water research (Oxford). 2000, Vol 34, Num 2, pp 473-480, issn 0043-1354Article

Irradiation effects of Co-60 gamma rays in YBCO thick filmsLEYVA, A; MORA, M; MARTIN, G et al.Superconductor science & technology (Print). 1995, Vol 8, Num 11, pp 816-821, issn 0953-2048Article

Teak extract as a catalyst for the pulping of loblolly pineLEYVA, A; DIMMEL, D. R; PULLMAN, G. S et al.Tappi journal. 1998, Vol 81, Num 5, pp 237-240, issn 0734-1415Article

Generation and characterization of hydrogenase deficient mutants of Rhizobium leguminosarumPALACIOS, J. M; LEYVA, A; RUIZ-ARGÜESO, T et al.Journal of plant physiology. 1988, Vol 132, Num 4, pp 412-416, issn 0176-1617Conference Paper

Resistance of HL-60 promyelocytic leukemia cells to induction of differentiation and its reversal by combination treatmentSCHWARTSMANN, G; PINEDO, H. M; LEYVA, A et al.European journal of cancer & clinical oncology. 1987, Vol 23, Num 6, pp 739-743, issn 0277-5379Article

Methotrexate with thymidine protection or rescue in advanced head and neck cancer: a phase II study = Essai phase II du méthotrexate suivi de thymidine en protection ou en recours dans les cancers avancés de la tête et du couSCHORNAGEL, J. H; LEYVA, A; PINEDO, H. M et al.Cancer treatment reports. 1984, Vol 63, Num 3, pp 543-545, issn 0361-5960Article

Nucleotide sequence of the hydrogenase structural genes from Rhizobium leguminosarumHIDALGO, E; LEYVA, A; RUIZ-ARGUÊESO, T et al.Plant molecular biology. 1990, Vol 15, Num 2, pp 367-370, issn 0167-4412, 4 p.Article

Indigenous plasmids and cultural characteristics of rhizobia nodulating chickpeas (Cicer arietinum L.)CADAHIA, E; LEYVA, A; RUIZ-ARGUESO, T et al.Archives of microbiology. 1986, Vol 146, Num 3, pp 239-244, issn 0302-8933Article

Relaxation of the transport critical current in deoxygenated YBa₂Cu₃O_7-δCOBAS, R; BATISTA-LEYVA, A. J; GARCIA, S et al.Physica. C. Superconductivity and its applications. 2002, Vol 366, Num 2, pp 117-122Article