TY - RPRT TI - Guided tissue regeneration using a polylactic acid barrier. AU - B Ehmke AU - S G RĂ¼diger AU - A Hommens AU - H Karch AU - T F Flemmig PY - 2003 DO - 10.1034/j.1600-051x.2003.00312.x UR - https://pubmed.ncbi.nlm.nih.gov/12694438/ ID - 12694438 ER -