Non-randomised controls and assessment of survival in liver transplantation.
D000206:Actuarial Analysis; D002986:Clinical Trials as Topic; D005069:Evaluation Studies as Topic; D006801:Humans; D008105:Liver Cirrhosis, Biliary / Q000401:mortality* / Q000601:surgery; D016031:Liver Transplantation / Q000401:mortality*; D015233:Models, Statistical; D011379:Prognosis; D012044:Regression Analysis