Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEsophageal cancer, hyperkeratosis, and oral leukoplakia: follow-up family study.AuthorsRitter, S B; Petersen, GPublicationJAMA: Journal of the American Medical Association, 1976, Vol 236, p1844ISSN0098-7484Publication typecase study