[Endogenous and neurotic depression again. I. The distinctive quality as a unifying element for nuclear depressive symptomatology].
The authors analyse the Kiloh and Garside's (1963) and Carney's et al. (1965) data. They studied the influence of item distinct quality on core depressive symptoms. Deleting influence of this item the depressive syndrome lose its original cohesion. It suggests that the distinct quality could be the agglutinative component of the core depressive symptomatology.