SPECIAL REPORTS FROM HOUSTON... SCIENTISTS DISCUSS VIRUSES AND CANCER. HOUSTON: SPECIAL REPORT. STATISTICS ""DISAPPOINTING"" IN CHRONIC DISEASE WORK. QUESTION CHRONIC DISEASE STATISTICS. AUTOPSY STUDY FAILS TO SUPPORT SMOKING TIE TO VASCULAR ILLS. FIND SMOKING-ARTERIOSCLEROSIS LINK ""TENUOUS"". FLETCHER AND GARLAND ... EXPERTS DIFFER ON ROYAL COLLEGE REPORT. PEPTIC ULCERS OFTEN FOUND IN LUNG CANCER AUTOPSIES. WHEN BRITONS GO TO AUSTRALIA... LUNG CANCER RISKS DROP AFTER MOVE. X-RAY SURVEY FOLLOW-UP SUGGESTS... UNIDENTIFIED FACTORS IN LUNG CANCER. SURGEONS FIND LUNG CANCER ARISING IN OLD TB SCARS. STUDY OF 13,307 DEATH RECORDS FINDS... LUNG CANCER DEATHS 20% OVERSTATED. RECORDS SHOW 20% LUNG CANCER ERROR. LIST OF FOOTNOTES. ROYAL COLLEGE OF PHYSICIANS REPORT ON SMOKING AND HEALTH. UNITED STATES VITAL STATISTICS.