@ARTICLE{10665-222959, author = {World Health Organization}, journal = {Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire}, title = {Weekly Epidemiological Record, 1980, vol. 55, 10 [full issue]}, volume = {55}, year = {1980}, number = {10}, type = {Journal / periodical articles}, pages = {73 - 80} }