TY  - RPRT
TI  - 24-hour coverage.
AU  - R S Hockberger
AU  - P L Henneman
PY  - 1989
DO  - 10.1016/s0196-0644(89)80040-x
UR  - https://pubmed.ncbi.nlm.nih.gov/2735607/
ID  - 2735607
ER  -