... University, Mainz, Germany, 3Institute for Medical Biostatistics, Epidemiology and Informatics, Johannes Gutenberg University, Mainz, Germany and 4Department of Oral and Maxillofacial Surgery, Aachen ... radioisotopic markers in cytotoxicity tests. Methods Enzymol 1983, 93:233-245.15. Bilir A, Altinoz MA, Attar E, Erkan M, Aydiner A: Acetaminophenmodulations of chemotherapy efficacy in MDAH 2774human ... prob-lems of nonresorbable membranes resulting in lowerprobing attachment level gains in intrabony defects [8]. In order to overcome these issues, a variety of bioabsorbablematerials, such as polylactid...