TY - JOUR DP - http://iris.who.int/ DB - WHO IRIS EP - 374 AU - World Health Organization LA - en LA - fr UR - https://iris.who.int/handle/10665/236711 JF - Weekly Epidemiological Record = Relevé épidémiologique hebdomadaire DA - 1940 PY - 1940 IS - 46 SP - 369 TI - Weekly Epidemiological Record, 1940, vol. 15, 46 [full issue] VL - 15 ER -