Sallmén, M Time to pregnancy among women occupationally exposed to lead. [electronic resource] - Journal of occupational and environmental medicine Aug 1995 - 931-4 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1076-2752 Standard No.: 10.1097/00043764-199508000-00007 doi Subjects--Topical Terms: Abortion, Spontaneous--etiologyFemaleHumansIncidenceInfertility, Female--chemically inducedLead--adverse effectsMenstrual Cycle--physiologyOccupational Exposure--adverse effectsPregnancyProportional Hazards ModelsRetrospective StudiesSurveys and QuestionnairesTime Factors