P. O. Obekpa

发表

J. Onuminya, P. Obekpa, C. Ihezue, 1999, International Orthopaedics.

J. Onuminya, P. Obekpa, H. C. Ihezue, 2000, Tropical doctor.

A. Smith, W. G. Brydon, H. Thomson, 1987, Scandinavian journal of gastroenterology.

P. Obekpa, A. Uba, W. Ardill, 2004, The Nigerian postgraduate medical journal.

S. Edino, C. Ihezue, P. O. Obekpa, 2001, The Nigerian postgraduate medical journal.