TY - JOUR DP - http://iris.who.int/ DB - WHO IRIS EP - 24 AU - World Health Organization LA - en LA - fr UR - https://iris.who.int/handle/10665/222305 JF - Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire DA - 1979 PY - 1979 IS - 03 SP - 17 TI - Weekly Epidemiological Record, 1979, vol. 54, 03 [full issue] VL - 54 ER -