Additional file 1: of Reproductive outcomes after non-occupational exposure to hexavalent chromium, Willits California, 1983-2014

2017-03-06T05:00:00Z (GMT) by Linda Remy Vera Byers Ted Clay
Selecting records and classifying conditions. Groupers used to select pregnancies, identify deliveries, and categorize pregnancy outcomes. Groupers used to select infants, identify births, and categorize infant-specific outcomes. CCS diagnosis and procedure groupers used to classify other conditions and outcomes. (PDF 65 kb)