TY  - RPRT
TI  - Closed disposable suction systems: need, waste or hazard.
AU  - F Daschner
PY  - 1990
DO  - 10.1016/0195-6701(90)90100-3
UR  - https://pubmed.ncbi.nlm.nih.gov/1972959/
ID  - 1972959
ER  -