TY  - RPRT
TI  - Obtaining and maintaining microbial pathogens.
AU  - D G Russell
PY  - 1994
DO  - 10.1016/s0091-679x(08)61843-9
UR  - https://pubmed.ncbi.nlm.nih.gov/7707981/
ID  - 7707981
ER  -