@ARTICLE{10665-227706, author = {World Health Organization}, journal = {Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire}, title = {Infected Areas as on 16 August 1990 = Zones infectées au 16 août 1990}, volume = {65}, year = {1990}, number = {33}, type = {Journal / periodical articles}, pages = {255 - 256} }