TY - RPRT TI - Proteolipid and bone matrix calcification in vitro. AU - J Ennever AU - B Boyan-Salyers AU - L J Riggan PY - 1977 DO - 10.1177/00220345770560082301 UR - https://pubmed.ncbi.nlm.nih.gov/411812/ ID - 411812 ER -