Longitudinal monitoring of bone mass accumulation in healthy adolescents: evidence for a marked reduction after 16 years of age at the levels of lumbar spine and femoral neck in female subjects. - Theintz,G.; Buchs,B.; Rizzoli,R.; Slosman,D.; Clavien,H.; Sizonenko,P.C.; Bonjour,J.P. (J Clin Endocrinol Metab, 1992)