TY  - RPRT
TI  - Rigid endoscopes. Proper care and maintenance.
AU  - E MacDonald
PY  - 1984
DO  - 10.1016/s0001-2092(07)64058-7
UR  - https://pubmed.ncbi.nlm.nih.gov/6204591/
ID  - 6204591
ER  -