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Proceedings of the National Academy of Sciences of the United States of America|September 1, 1973
Regulation of 5-methyltetrahydrofolate: homocysteine methyltransferase activity by methionine, vitamin B12, and folate in cultured baby hamster kidney cellsD Kamely, J W Littlefield, R W ErbeDevelopmental Biology|November 1, 1983
Calcium-induced compaction and its inhibition in embryonal carcinoma cell aggregatesS Kartha, J S Felix, J W LittlefieldProceedings of the National Academy of Sciences of the United States of America|May 1, 1972
Chemical mutagenesis at the phosphoribosyltransferase locus in cultured human lymphoblastsK Sato, R S Slesinski, J W LittlefieldDifferentiation; Research in Biological Diversity|January 1, 1985
Aggregation-deficient embryonal carcinoma cells: defects in peanut agglutinin (PNA) receptorsS Kartha, J S Felix, J W LittlefieldIn Vitro|October 1, 1980
Human epithelial cells cultured from urine: growth properties and keratin stainingJ S Felix, T T Sun, J W LittlefieldBrain Research Bulletin|June 1, 1986
Genetic basis for a mouse model of Down syndromeR H Reeves, J D Gearhart, J W LittlefieldProceedings of the National Academy of Sciences of the United States of America|May 1, 1987
Altered chloride metabolism in cultured cystic fibrosis skin fibroblastsP M Mattes, P C Maloney, J W LittlefieldSomatic Cell Genetics|March 1, 1977
Mutagen-induced diploid human lymphoblast variants containing altered hypoxanthine guanine phosphoribosyl transferaseJ Epstein, A Leyva, W N Kelley, et al.Clinica Chimica Acta; International Journal of Clinical Chemistry|September 15, 1978
Plasma and urine amino acid changes in rats treated with hypoglycinV E Shih, K TanakaSomatic Cell Genetics|November 1, 1979
Analysis of HGPRT- CRM+ human lymphoblast mutantsJ Epstein, G S Ghangas, A Leyva, et al.Pageof 10