Subjects: ALCOHOL drinking prevention; AGE distribution; ANALYSIS of varianceSWEDEN
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Subjects: AGE distribution; BACKACHE; CHI-squared testNIGERIA
Subjects: LUMBAR pain; ANALYSIS of variance; ATTITUDE (Psychology)AUSTRALIA; HONG Kong (China)
Subjects: BACKACHE; DISEASE management; PHYSICAL therapistsGERMANY; IRELAND; ENGLAND
Subjects: CLINICAL trials; CONCEPTUAL structures; CONFIDENCE intervalsDENMARK