Memorial Lecture for Dr. Ma. Theresa Laperal Tamayo – Salazar to the Medical Doctors – Obstetrician and Gynecologist Deparment on Billings Ovulation Method

Raymond Fullon Ganar was invited to give a Memorial Lecture for Dr. Ma. Theresa Laperal Tamayo – Salazar to the Medical Doctors – Obstetrician and Gynecologist Deparment on Billings Ovulation Method.