TY - RPRT TI - Bone formation over partially exposed implants using guided tissue generation. AU - B K Arora AU - C M Worley AU - R L Guttu AU - D M Laskin PY - 1992 DO - 10.1016/0278-2391(92)90491-h UR - https://pubmed.ncbi.nlm.nih.gov/1326616/ ID - 1326616 ER -