Hispanic health and nutrition examination survey, 1982-1984. Gallbladder ultrasound data, ages 20-74 years ; Gallbladder ultrasound data, ages 20-74 years

This survey contains data on demographic and socioeconomic characteristics, medical history information related to digestive disease, and results of an examination of the gallbladder performed by ultrasound. ; principal investigator, National Center for Health Statistics. ; Title supplied from accompanying printed documentation. ; The Hispanic Health and Nutrition Examination Survey was conducted for three distinct populations: Mexican Americans in the southwest, Cuban Americans in Dade County, Florida and Puerto Ricans in the New York area.