Chrisco, J A A descriptive study of blood in the mouth following routine oral endotracheal intubation. [electronic resource] - AANA journal Aug 1992 - 379-83 p. digital Publication Type: Journal Article ISSN: 0094-6354 Subjects--Topical Terms: AdolescentAdultAgedEvaluation Studies as TopicHumansIncidenceIntubation, Intratracheal--adverse effectsMiddle AgedOccult BloodOccupational ExposureOral Hemorrhage--epidemiologyUniversal Precautions