TY  - RPRT
TI  - Panic disorder. When symptoms have no apparent physical cause.
AU  - D A Katerndahl
PY  - 1997
DO  - 10.3810/pgm.1997.01.146
UR  - https://pubmed.ncbi.nlm.nih.gov/9008694/
ID  - 9008694
ER  -