TY  - RPRT
TI  - Letter: Mortality and water hardness.
AU  - T W Anderson
AU  - D Hewitt
PY  - 1975
DO  - 10.1016/s0140-6736(75)93061-5
UR  - https://pubmed.ncbi.nlm.nih.gov/48108/
ID  - 48108
ER  -