TY  - RPRT
TI  - Learned helplessness, depression, and physiological responding.
AU  - R J Gatchel
AU  - M E McKinney
AU  - L F Koebernick
PY  - 1977
DO  - 10.1111/j.1469-8986.1977.tb01149.x
UR  - https://pubmed.ncbi.nlm.nih.gov/834799/
ID  - 834799
ER  -