TY  - GEN
AU  - Craig,D C
AU  - Quayle,A A
TI  - The efficacy of face-masks
SN  - 0007-0610
PY  - 1985///0628
KW  - Air Microbiology
KW  - Bacteria
KW  - isolation & purification
KW  - Communicable Disease Control
KW  - Dentists
KW  - Humans
KW  - Masks
KW  - Occupational Diseases
KW  - prevention & control
KW  - Time Factors
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1038/sj.bdj.4805540
ER  -