TY  - RPRT
TI  - His bundle electrocardiography: a programmed introduction.
AU  - A Castellanos
AU  - C Castillo
AU  - L Lemberg
AU  - B W Claxton
PY  - 1970
DO  - 10.1378/chest.57.4.350
UR  - https://pubmed.ncbi.nlm.nih.gov/5434717/
ID  - 5434717
ER  -