Hepatitis B vaccine for police forces?
D006509:Hepatitis B / Q000517:prevention & control; D017325:Hepatitis B Vaccines; D006801:Humans; D012606:Scotland; D012926:Social Control, Formal; D014611:Vaccination; D014761:Viral Hepatitis Vaccines
D017325:Hepatitis B Vaccines; D014761:Viral Hepatitis Vaccines