The Effects of Dietary Tryptophan on Affective Disorders

Development and validation of brief measures of positive and negative affect: The PANAS scales.

David Watson, Lee Anna Clark, Auke Tellegen · Journal of Personality and Social Psychology · 1988 · 32.1K citations

Social Sciences, Behavioral Sciences, Psychology +16

Development and validation of brief measures of positive and negative affect: The PANAS scales.

David Watson, Auke Tellegen · Journal of Personality and Social Psychology · 1988 · 31.7K citations

Social Sciences, Behavioral Sciences, Psychology +16

A Self-Rating Depression Scale

William W.K. Zung · Archives of General Psychiatry · 1965 · 9.7K citations · Full text

Social Sciences, Psychiatry, Psychology +17

Recommended Dietary Allowances.

Annals of Internal Medicine · 1991 · 3.9K citations

Principles of nutritional assessment

Choice Reviews Online · 1990 · 2.8K citations

Agriculture, Nutrition, Nutritional Sciences +12