Wanting to Prevent Pregnancy? Looking for a Fresh Approach to Birth Control? [Vietnamese] - page 4

“Phương ph p Billings s đi v o l ch s y
khoa như m t trong nh ng ph t ki n vĩ đ i
nh t c a th kỷ 20.”
Thomas W. Hilgers, Gi o s S n Ph khoa, Omaha Hoa K
1,2,3 5,6,7,8,9,10,11,12,13,14,...18
Powered by FlippingBook