670
Participants
Start Date
January 31, 2001
Study Completion Date
April 30, 2005
calcium carbonate
daily supplement of 1,200 milligrams calcium (two-600 mg tablets calcium carbonate at bedtime)
Mauricio Hernandez-Avila, Cuernavaca
Mexican National Institute of Public Health
OTHER_GOV
Brigham and Women's Hospital
OTHER
University of California Santa Cruz
OTHER
National Institute of Environmental Health Sciences (NIEHS)
NIH