Hepatitis B vaccine for medical staff.
D004724:Endoscopy; D006509:Hepatitis B / Q000517:prevention & control; D017325:Hepatitis B Vaccines; D006801:Humans; D008505:Medical Staff, Hospital; D006113:United Kingdom; D014761:Viral Hepatitis Vaccines
D017325:Hepatitis B Vaccines; D014761:Viral Hepatitis Vaccines