"Vaccines." . . . . . . . "Progress towards better vaccines : proceedings of a meeting organized by the World health organization as part of the programme for vaccine development, held in Bellagio, Italy, by courtesy of the Rockefeller Foundation, 16-18 April 1985" . . . "Conference papers and proceedings" . . . . . . . . . . . "Progress towards better vaccines : Meeting : Papers"@en . . "Progress towards better vaccines : proceedings of a meeting organized by the World Health Organization as part of the Programme for Vaccine Development held in Bellagio, Italy, by courtesy of the Rockefeller Foundation 16-18 April 1985" . . . . "Progress towards Better Vaccines" . . "Progress towards better vaccines" . . . . . . . "Progress towards better vaccines : proceedings of a meeting organized by the World Health Organization as part of the Programme for Vaccine Development, held in Bellagio, Italy, by courtesy of The Rockefeller Foundation, 16-18 April 1985" . "Progress towards better vaccines : proceedings of a meeting organized by the World Health Organization as part of the Programme for Vaccine Development, held in Bellagio, Italy, by courtesy of the Rockefeller Foundation, 16-18 April 1985" . "Kongress" . . . . "Organización Mundial de la Salud (Ginebra, Suiza)" . . "Organizzazione mondiale della sanità." . . "Vaccines congresses." . . "Vaccines Congresses." . "Impfstoff" . . "- (1985 : Bellagio)" . . . "World Health Organization. Programme for Vaccine Development." . .