TY - GEN TI - [Senile osteoporosis] SN - 0016-254X PY - 1989///0505 KW - Aged KW - Aging KW - Calcium, Dietary KW - administration & dosage KW - Exercise KW - Female KW - Humans KW - Male KW - Middle Aged KW - Osteoporosis KW - etiology KW - Sex Factors KW - Vitamin D N1 - Publication Type: Journal Article ER -