3RD WORLD CONFERENCE ON SMOKING + HEALTH; 4TH WORLD CONFERENCE ON SMOKING + HEALTH; AMERICAN CANCER SOCIETY; FAO, FOOD AND AGRICULTURE ORG; ILO; INTL UNION AGAINST CANCER; JAMA; NATL CENTER FOR SMOKING CONTROL; NATL INTERAGENCY COUNCIL ON SMOKING + HE; NCI, NATL CANCER INST; ROYAL COLLEGE OF PHYSICIANS; US CLEARINGHOUSE ON SMOKING + HEALTH; WHO EXPERT COMM ON SMOKING + ITS EFFEC; WHO, WORLD HEALTH ORG