European Advisory Group on the Expanded Programme on Immunization. Geneva: WHO, 1997 14 p.
European Advisory Group on the Expanded Programme on Immunization. Geneva: WHO, 1997 14 p.
(1997) European Advisory Group on the Expanded Programme on Immunization, Geneva: WHO 14 p.
(1997). European Advisory Group on the Expanded Programme on Immunization. Report on the 13th Meeting. Paris, France 10-12 March 1997. Geneva: WHO, 14 p.
European Advisory Group on the Expanded Programme on Immunization: Report on the 13th Meeting. Paris, France 10-12 March 1997. Geneva: WHO; 1997. p. 14 p.