TY  - RPRT
TI  - New interventional procedures: efficacy, safety and training.
AU  - A G Johnson
PY  - 1998
DO  - 10.1111/j.1445-2197.1998.tb04626.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9440446/
ID  - 9440446
ER  -