Calcium Supplementation in Postmenopausal Women

'Radiant Research, Wyomissing

'Bethesda Health Research Center, Bethesda

'Hospital Clinical del Parque, Chihuahua City

'Radiant Research - Lake Worth, Lake Worth

'Hospital Aranda de la Parra, León

'OPD Hospital Civil de Guadalajara Dr. Juan I. Menchaca, Guadalajara

'Hospital Civil de Belem, Guadalajara

'Medica Monraz, Guadalajara

'University Hospital & Outpatient Center, Indianapolis

'Michigan Bone & Mineral Clinic, Detroit

'Hospital Angeles de las Lomas, Huixquilucan

'Brown Clinic, Watertown

Odyssey Research/Avera United Clinic, Aberdeen

Michael J. Lillestol, Fargo

'Odyssey Research Services, Bismarck

'Odyssey Research Services, Minot

'The University of Chicago, Chicago

'Hospital Universitario de Monterrey, Monterrey Nuevo Leon

Creighton University School of Medicine, Omaha

Odyssey Research, North Platte

'Diabetes Center of the Southwest, Midland

Odyssey Research/Bone Density of North Idaho, Coeur d'Alene

'New Mexico Clinical Research and Osteoporosis Center, Albuquerque

'Boling Clinical Trials, Rancho Cucamonga

'IDIM, Buenos Aires

'Centro de Osteopatias Medicas, Capital Federal

'Instituto Mexicano de Investigacion Clinica, Mexico City