[Third symposium of European Association of Poliomyelitis].
D035843:Biomedical Research; D005006:Ethnicity; D006801:Humans; D011051:Poliomyelitis / Q000517:prevention & control*
POLIOMYELITIS/prevention and control
IIIe SYMPOSIUM de l'Association Européenne de la Poliomyélite; Zurich, 29-30 septembre 1955.