[HAS TUBAL PREGNANCY BECOME MORE FREQUENT?].
D001699:Biometry; D005260:Female; D005858:Germany; D005860:Germany, West; D006801:Humans; D011247:Pregnancy; D011274:Pregnancy, Tubal; D013223:Statistics as Topic
GERMANY, WEST; PREGNANCY; PREGNANCY, TUBAL; STATISTICS
IST DIE TUBARGRAVIDITAET HAEUFIGER GEWORDEN?