2003b-116 2007g-655 2012c-653 2016f-976 adverseeffects anatomy atlases biliarytract blood-vessels cholangiography clinicalmedicine colonoscopy complications computer-assistedsurgery diagnosis diagnosticimaging digestivesystem diseases endoscopes endoscopic endoscopicretrogradecholangiopancreatography endoscopicsurgery evaluation evidence-basedmedicine female femalegenerativeorgans femalegenitalia fitness fluoroscopy gastroenterology gastrointestinal gastrointestinaldiseases gastrointestinalsystem gastroscopy general generativeorgans genitaldiseases genitalia gynecologicsurgicalprocedures health histology hysteroscopy infectioncontrol internalmedicine intraoperativecomplications laparoscopic laparoscopicsurgery laparoscopy lasersurgery liverdiseases medical methods minimal-invasivechirurgie minimallyinvasive neurochirurgie obstetricsurgicalprocedures pancreas paranasalsinuses pathology pregnancycomplications radiography rc801 rd540 rulesandpractice safetymanagement safetymeasures sanitation schädelbasiskrankheit skullbase skullbaseneoplasms standards surgery surgicalprocedures therapy tumor tumors ultrasonicimaging ultrasonicsinobstetrics ultrasonography unitedstates urography vascular vasculardiseases vascularsurgicalprocedures veterans'hospitals veteranshospitals we707 wg170c73772009 wi140g829c2016 wi141 wi17s894a wi17w667a1995 wi17w667a2007 wp141g9971995 wp141u4552002