TY - RPRT TI - Physiological changes in extracellular calcium concentration directly control osteoblast function in the absence of calciotropic hormones. AU - Melita M Dvorak AU - Ashia Siddiqua AU - Donald T Ward AU - D Howard Carter AU - Sarah L Dallas AU - Edward F Nemeth AU - Daniela Riccardi PY - 2004 DO - 10.1073/pnas.0306141101 UR - https://pubmed.ncbi.nlm.nih.gov/15051872/ ID - 15051872 ER -