Ultrasonographic bone characteristics during normal pregnancy: Longitudinal and cross-sectional evaluation

Calcium Metabolism in Normal Human Pregnancy

Robert P. Heaney, Thomas G. Skillman · The Journal of Clinical Endocrinology & Metabolism · 1971 · 364 citations

Medicine, Endocrinology, Nutrition +16

Bone density changes during pregnancy and lactation in active women: a longitudinal study

Barbara L. Drinkwater, Charles H. Chesnut · Bone and Mineral · 1991 · 225 citations

Medicine, Maternal Health, Obstetrics +16

Osteoporotic bone fragility. Detection by ultrasound transmission velocity

Robert P. Heaney · JAMA · 1989 · 221 citations

Medicine, Orthopedic Surgery, Radiology +17

Calcium metabolism in normal pregnancy: A longitudinal study

Roy M. Pitkin, W. Ann Reynolds, GERALD A. WILLIAMS et al. · American Journal of Obstetrics and Gynecology · 1979 · 211 citations

Medicine, Obstetrics, Physiology +14

Osteoporotic Bone Fragility

Robert P. Heaney · JAMA · 1989 · 171 citations

Medicine, Orthopaedic Surgery, Radiology +17