[Comparative assessment of rigid and flexible choledochoscopes].
D002986:Clinical Trials as Topic; D003135:Common Bile Duct; D019723:Endoscopes; D005336:Fiber Optic Technology / Q000295:instrumentation; D005860:Germany, West; D006801:Humans; D007564:Japan; D014586:USSR
Sravnitel'naia otsenka zhestkikh i gibkikh kholedokhoskopov.