TY  - RPRT
TI  - Prophylaxis: the foundation for our future progress.
AU  - R E Spier
PY  - 1992
DO  - 10.1016/0264-410x(92)90105-s
UR  - https://pubmed.ncbi.nlm.nih.gov/1471427/
ID  - 1471427
ER  -