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Journal Article Cigar and Pipe Smoking in Relation to Lung Cancer and Excess Mortality Get access O. R. Gsell, O. R. Gsell Planungsstelle der Hochschule für klinische Medizin, St. Gallen, Switzerland, and Institut für Sozial- und Präventivmedizin, Universität Bern, Bern, Switzerland Search for other works by this author on: Oxford Academic PubMed Google Scholar T. Abelin T. Abelin Planungsstelle der Hochschule für klinische Medizin, St. Gallen, Switzerland, and Institut für Sozial- und Präventivmedizin, Universität Bern, Bern, Switzerland Search for other works by this author on: Oxford Academic PubMed Google Scholar JNCI: Journal of the National Cancer Institute, Volume 48, Issue 6, June 1972, Pages 1795–1803, https://doi.org/10.1093/jnci/48.6.1795 Published: 01 June 1972
Gsell et al. (Thu,) studied this question.