The value of observational research in liver diseases.
Rachel A
RA
Lindor
Keith D
KD
Lindor
D006526:Hepatitis C / Q000188:drug therapy; D006801:Humans; D008107:Liver Diseases / Q000188:drug therapy; D019370:Observation / Q000379:methods*; D017063:Outcome Assessment, Health Care; D018802:Patient-Centered Care; D016032:Randomized Controlled Trials as Topic / Q000379:methods; D012042:Registries; D012107:Research Design