Publication Date 1997 8 p Serial Title: Progress in Human Reproduction Research Serial Part: No 41 View webpage for full text https://www.who.int/reproductive-health/hrp/progress/41/prog41.pdf Keywords Health; family planning; Research Regional Focus Western Pacific (WPRO) Africa (AFRO) Country focus South Korea; Philippines; Thailand; Nigeria; Vietnam Language English Type of material text Content type research; article Log in or register to post comments