[European Association against Poliomyelitis, Copenhagen, April 25, 1953].
D035843:Biomedical Research; D005006:Ethnicity; D006801:Humans; D011051:Poliomyelitis / Q000517:prevention & control*
POLIOMYELITIS/prevention and control
Association Européenne contre la Poliomyélite, Copenhague, 25 avril 1953.