TY  - RPRT
TI  - A guide for the preoperative visit.
AU  - C Ayers
AU  - L Walton
PY  - 1974
DO  - 10.1016/s0001-2092(07)60530-4
UR  - https://pubmed.ncbi.nlm.nih.gov/4493537/
ID  - 4493537
ER  -