TY  - RPRT
TI  - Graded exercises for basic training in laparoscopic surgery.
AU  - R J Steele
AU  - S W Hosking
AU  - S C Chung
PY  - 1994
UR  - https://pubmed.ncbi.nlm.nih.gov/7520064/
ID  - 7520064
ER  -