Pterin-6-aldehyde, a Cancer Cell Catabolite: Identification and Application in Diagnosis and Treatment of Human CancerR. Halpern, B. C. Halpern, B. Stea, A. Dunlap, K. Conklin, B. Clark, H. Ashe, L. Sperling, J. A. Halpern, D. Hardy and R. A. Smith · Proceedings of the National Academy of Sciences of the United States of America · 1977

Fractionation of mucopolysaccharides by countercurrent distribution in aqueous polymer two-phase systemsPritchard, David G.; Halpern, Richard M.; Halpern, James A.; Halpern, Barbara C.; Smith, Roberts A. · 1975

Inhibition of Neoplastic Cell Growth by Autogenous DNARichard M. Halpern, Barbara C. Halpern, K. A. Conklin and Roberts A. Smith · Proceedings of the National Academy of Sciences of the United States of America · 1968

Inhibition of tumor transplantation by DNARichard M. Halpern; B.Cutting Halpern; G. Ciliv; Roberts A. Smith · 1966

Nicotinamide: A natural inhibitor of tRNA methylaseRichard M. Halpern; S.Q. Chaney; B.C. Halpern; Roberts A. Smith · 1971

Using Creative Writing and Literaure in Mathematics ClassesCARA M. HALPERN and PAMELA A. HALPERN · Mathematics Teaching in the Middle School · 2006-2005

Reversal of Malignant Transformation by Tumor DNAHalpern, B. C.; Halpern, R. M.; Chaney, S. Q.; Smith, R. A. · Proceedings of the National Academy of Sciences · 1970

Reversal of Malignant Transformation by Tumor DNABarbara C. Halpern, Richard M. Halpern, Suzanne Q. Chaney and Roberts A. Smith · Proceedings of the National Academy of Sciences of the United States of America · 1970