TY - JOUR DP - http://iris.who.int/ DB - WHO IRIS AU - Geizerova, Helena AU - Masironi, Roberto LA - en UR - https://iris.who.int/handle/10665/53401 JF - World health forum 1991 ; 12(3) : 337-338 DA - 1991 PY - 1991 TI - Smoke-free taxis? [letter] KW - Automobiles KW - Smoking KW - prevention and control ER -