TY - RPRT TI - Transmembrane bone morphogenesis across multiple-walled diffusion chambers. New evidence for a diffusible bone morphogenetic property. AU - M R Urist AU - R Granstein AU - H Nogami AU - L Svenson AU - R Murphy PY - 1977 DO - 10.1001/archsurg.1977.01370050072012 UR - https://pubmed.ncbi.nlm.nih.gov/857763/ ID - 857763 ER -