The Swall Blood Vessels of the Mucous Membrane of the Lips With Special Reference To the Ulcer Diathesis

scribing and recording the findings, and to relate these observations to peptic ulcer. Our studies have included macroscopic and microscopic observations of hospitalized patients, a survey of male prison inmates, and review of sections of biopsies of the lip. Some of the microscopic observations have been recorded photographically. The purpose of this paper is to summarize the findings and to report tentative conclusions. The medical literature was searched for