TY  - RPRT
TI  - Historical reflections on current preventive practice.
AU  - V A Aita
AU  - B Crabtree
PY  - 2000
DO  - 10.1006/pmed.1999.0599
UR  - https://pubmed.ncbi.nlm.nih.gov/10642455/
ID  - 10642455
ER  -