TY  - RPRT
TI  - P WAVE CHANGES REFLECTING ATRIAL MORPHOLOGY.
AU  - H I MILLER
AU  - I SPERTUS
PY  - 1964
DO  - 10.1378/chest.46.5.578
UR  - https://pubmed.ncbi.nlm.nih.gov/14228363/
ID  - 14228363
ER  -