Hepatitis B vaccine.
D006528:Carcinoma, Hepatocellular / Q000150:complications; D002986:Clinical Trials as Topic; D006509:Hepatitis B / Q000150:complications / Q000517:prevention & control*; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D008113:Liver Neoplasms / Q000150:complications; D008297:Male; D014765:Viral Vaccines
D014765:Viral Vaccines