TY  - RPRT
TI  - Sleep and depression: further considerations.
AU  - J Mendels
AU  - D R Hawkins
PY  - 1968
DO  - 10.1001/archpsyc.1968.01740100061009
UR  - https://pubmed.ncbi.nlm.nih.gov/5672802/
ID  - 5672802
ER  -