@ARTICLE{10665-232977, author = {World Health Organization}, journal = {Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire}, title = {Weekly Epidemiological Record, 2006, vol. 81, 01 [full issue]}, volume = {81}, year = {2006}, number = {01}, type = {Journal / periodical articles}, pages = {1 - 11} }