[A metric system for evaluation of esophageal varices. Preliminary results].
D000328:Adult; D004932:Esophageal and Gastric Varices / Q000145:classification*; D004945:Esophagoscopy; D006801:Humans; D008297:Male; D008433:Mathematics; D008792:Metric System; D008875:Middle Aged
Sistema métrico para avaliação de varizes de esôfago. Resultados preliminares.