TY  - RPRT
TI  - Clinical subtypes in panic disorder: their descriptive and prospective validity.
AU  - R Buller
AU  - W Maier
AU  - O Benkert
DO  - 10.1016/0165-0327(86)90015-7
UR  - https://pubmed.ncbi.nlm.nih.gov/2948982/
ID  - 2948982
ER  -