@ARTICLE{10665-217702, author = {World Health Organization}, journal = {Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire}, title = {Weekly Epidemiological Record, 1970, vol. 45, 16 [full issue]}, volume = {45}, year = {1970}, number = {16}, type = {Journal / periodical articles}, pages = {177 - 188} }