1. Biological degradation of polyethylene after i.v. and s.c. implantation in the human body;Doležel;Rozhledy v chirurgii,1977
2. Changes in properties of plastics during implantation;Leininger,1964
3. Changes in properties of plastics during implantation;Leininger;Trans. Amer. Soc. Artif. Int. Organs,1964
4. Rasterelektron mikroskopische Untersuchungen von Kunststoffeschaden;Engel,1978
5. Biochemical degradation of polymers in living organism;Doležel;Plasty a kaučuk,1976