Pal, A A study of ectopic pregnancy and high risk factors in Himachal Pradesh. [electronic resource] - Journal of the Indian Medical Association May 1996 - 172-3, 202 p. digital Publication Type: Journal Article ISSN: 0019-5847 Subjects--Topical Terms: AdultCross-Sectional StudiesDeveloping CountriesFemaleHumansIncidenceIndia--epidemiologyPregnancyPregnancy, Ectopic--epidemiology