Subjects: CROSS-sectional method; PHOTON absorptiometry; BODY mass index
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Subjects: CROSS-sectional method; AT-risk people; HOSPITAL emergency services
Subjects: CHILDREN'S health; FAMILY health; CROSS-sectional methodAUSTRALIA
Subjects: SANITATION; HEALTH literacy; SOILSALABAMA
Subjects: CHILDREN'S health; CROSS-sectional method; SUBSTANCE abusePENNSYLVANIA
Subjects: MATERNAL health services; EVALUATION of medical care; CONTRACEPTIONONTARIO
Subjects: NURSING audit; CANNABIS (Genus); CROSS-sectional method
Subjects: RACISM; MINORITIES; CONFIDENCE intervals
Subjects: STATISTICS; RESEARCH; TEACHING methodsNORTH Carolina
Subjects: STEROID drugs; HOSPITAL patients; ATTITUDES of medical personnelCALIFORNIA