Ben F. Koop

Identification of participants

Robert J. Desnick, Marcia A. Testa, Oliver A. Ryder, 2004 .

Primate η-globin DNA sequences and man's place among the great apes

Peilin Xu, Jerry L. Slightom, B. Koop, 1986, Nature.

Primate evolution at the DNA level and a classification of hominoids

David H. A. Fitch, Morris Goodman, Jerry L. Slightom, 1990, Journal of Molecular Evolution.