[Vaccination--the story about that's what did not happen].
Aavitsland
Preben
P
Folkehelseinstituttet, vaksinasjonsprogrammet, Norway. praa@fhi.no
D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D014611:Vaccination / Q000266:history / Q000639:trends; D014612:Vaccines / Q000266:history*
D014612:Vaccines