. "7691" . . . . "4102216" . "article by R Cruickshank published 1 January 1971 in The Lancet"@en . . . . "R Cruickshank" . "10.1016/S0140-6736(71)91966-0" . . . . . . . "1" . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F"@uk . . "1971-01-01T00:00:00Z"^^ . . "Vaccination procedures"@en . "Vaccination procedures"@nl . . "190" . "Vaccination procedures"@en . "Vaccination procedures"@en . "Vaccination procedures"@nl . "wetenschappelijk artikel"@nl . "Vaccination procedures"@nl . . "Vaccination procedures"@en .