TY  - RPRT
TI  - Age differences in autonomic variables during sleep.
AU  - H Zepelin
AU  - C S McDonald
PY  - 1987
DO  - 10.1093/geronj/42.2.142
UR  - https://pubmed.ncbi.nlm.nih.gov/3819337/
ID  - 3819337
ER  -