Athletic women, amenorrhea, and skeletal integrity.
D000568:Amenorrhea / Q000209:etiology* / Q000473:pathology; D001842:Bone and Bones / Q000033:anatomy & histology*; D003720:Densitometry; D004967:Estrogens / Q000502:physiology; D005260:Female; D006801:Humans; D010806:Physical Education and Training; D013177:Sports
D004967:Estrogens