TY  - RPRT
TI  - Category 1, 2, 3 and 4: a procedure-oriented isolation system.
AU  - D S Gilmore
AU  - J Z Montgomerie
AU  - I E Graham
PY  - 1986
DO  - 10.1017/s0195941700064183
UR  - https://pubmed.ncbi.nlm.nih.gov/3635491/
ID  - 3635491
ER  -