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.

WOOMB Philippines – 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.