TY  - RPRT
TI  - On whirlpool spa maintenance.
AU  - R L Vogt
AU  - L E Witherell
PY  - 1985
DO  - 10.2105/ajph.75.1.97
UR  - https://pubmed.ncbi.nlm.nih.gov/3966611/
ID  - 3966611
ER  -