Rosacea: An Introduction

Cohen and Lowenfield's Mosaic Test for Acne - Reference

In 1945, Cohen used Lowenfield's Mosaic Test (a psychological test) but was unable to demonstrate any differences between the personalities of soldiers with acne and controls.

See: Cohen EL. Psychogenic factors in acne. Br J Dermatol 1945; 57:48-57


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