PTH increases bone formation by postponing osteoblast apoptosis, not by increasing precursor proliferation
Jilka RL, Weinstein RS, Roberson P, Shelton R, Swain F, Smith C, Kirchner J, Parfitt AM, Manolagas SC. PTH increases bone formation by postponing osteoblast apoptosis, not by increasing precursor proliferation. Bone 23:S519. 1998.