TY  - RPRT
TI  - Sleep and depression. A follow-up study.
AU  - J Mendels
AU  - D R Hawkins
PY  - 1967
DO  - 10.1001/archpsyc.1967.01730230020002
UR  - https://pubmed.ncbi.nlm.nih.gov/6023943/
ID  - 6023943
ER  -