... surge of further interest in the subject of male osteoporosis This second edition of Osteoporosis in Men is, thus, timely In the second edition, we have made major additions to reflect increased ... age at the beginning of the study, duration of TRT before the study, doses of TRT and way of administration, degree of normalization of the testosterone level, duration of TRT during the study) ... matrix they formed and differentiate into osteocytes; some convert into lining cells on the bone surface at the termination of formation; and the remainder die by apoptosis Bone lining cells were once...