%0 Journal Article %A R. T. C. Pratt %T A MANUAL OF LABORATORY STUDIES IN PSYCHOLOGY %D 1967 %R 10.1136/jnnp.30.1.89-a %J Journal of Neurology, Neurosurgery & Psychiatry %P 89-89 %V 30 %N 1 %U https://jnnp.bmj.com/content/jnnp/30/1/89.2.full.pdf