TY  - RPRT
TI  - The atrioventricular node, His bundle and bundle branches-a new histologic technique.
AU  - N K Roberts
AU  - D W Pepin
PY  - 1977
DO  - 10.3109/10520297709116764
UR  - https://pubmed.ncbi.nlm.nih.gov/329475/
ID  - 329475
ER  -