Subjects: SCHOOL environment; SUBSTANCE abuse; PSYCHIATRIC drugsBRAZIL
Record details
Subjects: RESEARCH; STATISTICS; SOCIAL supportSPAIN
Subjects: EDUCATION of physicians; NURSING education; INFERENTIAL statistics
Subjects: SCIENTIFIC observation; RESEARCH methodology; CROSS-sectional method
Subjects: SUBSTANCE abuse & psychology; STATISTICS; PSYCHOLOGY of college students
Subjects: SEXUALLY transmitted disease risk factors; RESEARCH; SOCIAL support
Subjects: STATISTICS; CONFIDENCE intervals; CHILD rearingPERU
Subjects: SCIENTIFIC observation; HEALTH occupations students; WORK-related injuriesPERU
Subjects: INFERENTIAL statistics; HEALTH facilities; ALCOHOLISMCOLOMBIA
Subjects: WORK environment; MUSCULOSKELETAL system diseases; RESEARCHPERU