Results 341 to 350 of about 70,430,026 (358)
Some of the next articles are maybe not open access.

The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research.

Psychiatry Research, 1989
Daniel J Buysse   +4 more
semanticscholar   +1 more source

Research on research on research

Social Science & Medicine (1967), 1971
openaire   +2 more sources

Foundations of Clinical Research: Applications to Practice

, 2015
Leslie G. Portney Dpt PhD Fapta, M. Ms
semanticscholar   +1 more source

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