Lupal'tsev V I, Liakh A V, Garkusha V I, Gorb Iu I
Klin Khir (1962). 1989(9):35-7.
Operated on was 231 patient with chronic recurrent cholecystitis caused by cholelithiasis. Sonography (SG) was performed in 176 patients, cholecystocholangiography (CCG)--in 55. The advantages of SG over CCG were revealed.