P. S. Rao

发表

A. Kanagasabapathy, L. John, P. S. Rao, 1991, The Indian journal of medical research.

R. Sharma, Sushil Kumar, S. Rath, 2004, Medical journal, Armed Forces India.

R. Sahay, P. S. Rao, K. Neelaveni, 2019, International Journal of Clinical Obstetrics and Gynaecology.

S. J. Baker, K. Rajan, P. S. Rao, 1961, British medical journal.

A. K. Sandhu, P. S. Rao, A. El-Shafei, 1988 .