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- [4] ARE CIGARETTES WITH LOWERED NICOTINE-CONTENT AND TAR-CONTENT LESS UNHEALTHY MEDIZINISCHE WELT, 1977, 28 (27): : 1180 - 1183
- [7] AMOUNT OF NICOTINE AND CARBON-MONOXIDE INHALED BY SMOKERS OF LOW-TAR, LOW-NICOTINE CIGARETTES JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1983, 250 (20): : 2840 - 2842
- [8] TAR AND NICOTINE LEVELS OF AMERICAN CIGARETTES NATIONAL CANCER INSTITUTE MONOGRAPHS, 1968, (28): : 89 - +