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	21.	DNA polymerase activities in fractionated Walker-256 tumor cell nuclei. [electronic resource] by Ballal, N R Collins, M S Halpern, R M Smith, R A Producer: 19710426 In: Biochemical and biophysical research communications vol. 40 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	22.	Nicotinamide: a natural inhibitor of tRNA methylase. [electronic resource] by Halpern, R M Chaney, S Q Halpern, B C Smith, R A Producer: 19710403 In: Biochemical and biophysical research communications vol. 42 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	23.	Altered distribution and excretion of N-1-methylnicotinamide in rats with Walker 256 carcinosarcoma. [electronic resource] by Clark, B R Murai, J T Pomeranz, A Mills, P A Halpern, R M Producer: 19750905 In: Cancer research vol. 35 Availability: No items available. Save to lists Add to cart (remove)
	24.	Altered distribution and excretion of N-1-methylnicotinamide in rats with Walker 256 carcinosarcoma. [electronic resource] by Clark, B R Murai, J T Pomeranz, A Mills, P A Halpern, R M Producer: 19750905 In: Cancer research vol. 35 Availability: No items available. Save to lists Add to cart (remove)
	25.	Chromosomal protein phosphorylation on basic amino acids. [electronic resource] by Smith, R A Halpern, R M Bruegger, B B Dunlap, A K Fricke, O Producer: 19781122 In: Methods in cell biology vol. 19 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	26.	Fractionation of mucopolysaccharides by countercurrent distribution in aqueous polymer two-phase systems. [electronic resource] by Pritchard, D G Halpern, R M Halpern, J A Halpern, B C Smith, R A Producer: 19760126 In: Biochimica et biophysica acta vol. 404 Availability: No items available. Save to lists Add to cart (remove)
	27.	The effect of replacement of methionine by homocystine on survival of malignant and normal adult mammalian cells in culture. [electronic resource] by Halpern, B C Clark, B R Hardy, D N Halpern, R M Smith, R A Producer: 19740731 In: Proceedings of the National Academy of Sciences of the United States of America vol. 71 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	28.	Occurrence and distribution of acid-labile histone phosphates in regenerating rat liver. [electronic resource] by Chen, C C Smith, D L Bruegger, B B Halpern, R M Smith, R A Producer: 19741031 In: Biochemistry vol. 13 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	29.	Inhibition of transfer ribonucleic acid methylase activity from several human tumors by nicotinamide and nicotinamide analogs. [electronic resource] by Buch, L Streeter, D Halpern, R M Simon, L N Stout, M G Smith, R A Producer: 19720421 In: Biochemistry vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	30.	Phosphorylation of nuclear proteins in rat regenerating liver. [electronic resource] by Chen, C C Bruegger, B B Kern, C W Lin, Y C Halpern, R M Smith, R A Producer: 19771229 In: Biochemistry vol. 16 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	31.	Characterization of protein kinases forming acid-labile histone phosphates in Walker-256 carcinosarcoma cell nuclei. [electronic resource] by Smith, D L Chen, C C Bruegger, B B Holtz, S L Halpern, R M Smith, R A Producer: 19741031 In: Biochemistry vol. 13 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	32.	N5-methyltetrahydrofolate: homocysteine methyltransferase activity in extracts from normal, malignant and embryonic tissue culture cells. [electronic resource] by Ashe, H Clark, B R Chu, F Hardy, D N Halpern, B C Halpern, R M Smith, R A Producer: 19740718 In: Biochemical and biophysical research communications vol. 57 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	33.	Effect of methionine replacement by homocystine in cultures containing both malignant rat breast carcinosarcoma (Walker-256) cells and normal adult rat liver fibroblasts. [electronic resource] by Halpern, B C Ezzell, R Hardy, D N Clark, B R Ashe, H Halpern, R M Smith, R A Producer: 19750728 In: In vitro vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	34.	Folate and pterin metabolism by cancer cells in culture. [electronic resource] by Stea, B Backlund, P S Berkey, P B Cho, A K Halpern, B C Halpern, R M Smith, R A Producer: 19780925 In: Cancer research vol. 38 Availability: No items available. Save to lists Add to cart (remove)
	35.	New approach to antifolate treatment of certain cancers as demonstrated in tissue culture. [electronic resource] by Halpern, R M Halpern, B C Clark, B R Ashe, H Hardy, D N Jenkinson, P Y Chou, S C Smith, R A Producer: 19760301 In: Proceedings of the National Academy of Sciences of the United States of America vol. 72 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)