P. D. Nelson

发表

P. D. Nelson, S. Burgess, P. Ryan, 2005, Placenta.

P. D. Nelson, R. Buddington, K. Kelly-Quagliana, 2003 .

P. D. Nelson, G. T. Pharr, Cary A Moody, 2002, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.