权威例句
convexoconcaveTwenty-five-year experience with the Björk-Shiley convexoconcave heart valve: a continuing clinical concernEarly Results of Valve Replacement with the Björk-Shiley Convexoconcave ProsthesisMETHOD FOR MANUFACTURING AN OPTICAL FILM HAVING A CONVEXOCONCAVE STRUCTURE, OPTICAL FILM, WIRE GRID POLARIZER AND RETARDATION FILMBjork-Shiley convexoconcave valves: susceptibility artifacts at brain MR imaging and mechanical valve fractures.Experience with outlet strut fracture of the Björk-Shiley convexoconcave mitral valve prosthesisStrut fracture and other events after valve replacement with the 60 degree convexoconcave Björk-Shiley prosthesisMethod for manufacturing an optical film having a convexoconcave structureThe complexity of external acoustic detection of defects in Björk-Shiley convexoconcave heart valveselectroforming a master substrate of a metal disk with a surface on which an convexoconcave pattern corresponding to information to ...