Timing of hepatitis B revaccination in healthy adults.
D000328:Adult; D002986:Clinical Trials as Topic; D006509:Hepatitis B / Q000517:prevention & control*; D017325:Hepatitis B Vaccines; D006801:Humans; D007115:Immunization Schedule; D007117:Immunization, Secondary; D011897:Random Allocation; D014761:Viral Hepatitis Vaccines / Q000008:administration & dosage*
D017325:Hepatitis B Vaccines; D014761:Viral Hepatitis Vaccines