Amr, S., Wehmann, R. E., Birken, S., Canfield, R. E., & Nisula, B. C. (1983). Characterization of a carboxyterminal peptide fragment of the human choriogonadotropin beta-subunit excreted in the urine of a woman with choriocarcinoma.

Amr, S., R E. Wehmann, S. Birken, R E. Canfield, and B C. Nisula. Characterization of a Carboxyterminal Peptide Fragment of the Human Choriogonadotropin Beta-subunit Excreted in the Urine of a Woman With Choriocarcinoma. 1983.

Amr, S., et al. Characterization of a Carboxyterminal Peptide Fragment of the Human Choriogonadotropin Beta-subunit Excreted in the Urine of a Woman With Choriocarcinoma. 1983.