@ARTICLE{10665-230925, author = {World Health Organization}, journal = {Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire}, title = {Weekly Epidemiological Record, 1999, vol. 74, 38 [full issue]}, volume = {74}, year = {1999}, number = {38}, type = {Journal / periodical articles}, pages = {313 - 320} }