A CONTINUING ROENTGENOGRAPHIC STUDY OF RURAL SCHOOL CHILDREN OVER A 15-YEAR PERIOD: THE LUMBOSACRAL ANGLE.
D000293:Adolescent; D002648:Child; D006128:Growth; D006801:Humans; D008161:Lumbosacral Region; D011187:Posture; D011859:Radiography; D012106:Research; D012424:Rural Population
ADOLESCENCE; CHILD; GROWTH; LUMBOSACRAL REGION; POSTURE; RADIOGRAPHY