TY  - RPRT
TI  - Is routine pre-operative electrocardiogram necessary?
AU  - T Yipintsoi
AU  - P Vasinanukorn
AU  - P Sanguanchua
PY  - 1989
UR  - https://pubmed.ncbi.nlm.nih.gov/2723562/
ID  - 2723562
ER  -