Immunization as a starter for primary health care in developing countries : proceedings of a symposium organized by the Rijksinstituut voor Volksgezondheid en Milieuhygiëne (RIVM), Bilthoven, The Netherlands / ed. P.W.J. Peters, J.M. Garbis-Berkvens and L.C. Vogel

Immunization as a starter for primary health care in developing countries : proceedings of a symposium organized by the Rijksinstituut voor Volksgezondheid en Milieuhygiëne (RIVM), Bilthoven, The Netherlands / ed. P.W.J. Peters, J.M. Garbis-Berkvens and L.C. Vogel