TY  - RPRT
TI  - Problems in the classification of affective disorders.
AU  - M Roth
PY  - 1981
DO  - 10.1111/j.1600-0447.1981.tb00706.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6939321/
ID  - 6939321
ER  -