[Report on 3061 laparoscopic cholecystectomies].

The results of 3061 laparoscopic cholecystectomies made by 58 surgeons in nine departments--feasibility 88.9%, low morbidity rate (n = 2071) 11.8%, high morbidity rate 2.

[Myocyte transformation in autologous transplantation of colonic smooth muscle in domestic pigs].

Autologous gut smooth muscle graft of two piglets was used for creating a ring in sigmoidostomy. The graft was investigated several times by histology and electron microscopy. A sort of myofibroblasts were observed the 7th day in the smooth muscle.