Reliability and validity of the Spanish version of the Pittsburgh Sleep Quality Index (PSQI) in patients with fibromyalgia

The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research

Daniel J. Buysse, Charles F. Reynolds, T. H. Monk et al. · Psychiatry Research · 1989 · 34.7K citations

Medicine, Psychiatry, Psychology +16

The MOS 36-item short-form health survey (SF-36). I. Conceptual framework and item selection.

John E. Ware, Cathy D. Sherbourne · PubMed · 1992 · 34K citations

Pharmacy, Health Sciences, Geriatric Assessment +16

The MOS 36-ltem Short-Form Health Survey (SF-36)

John E. Ware, Cathy D. Sherbourne · Medical Care · 1992 · 29.8K citations

Pharmacy, Health Policy, Geriatric Assessment +16

The american college of rheumatology 1990 criteria for the classification of fibromyalgia

Frederick Wolfe, H A Smythe, Muhammad B. Yunus et al. · Arthritis & Rheumatism · 1990 · 9.6K citations

Medicine, Clinical Sciences, Internal Medicine +6

The fibromyalgia impact questionnaire: development and validation.

Carol S. Burckhardt, Sharon R. Clark, Robert M. Bennett · PubMed · 1991 · 1.9K citations

Social Sciences, Psychology, Health Assessment +14