TY  - BOOK
AU  - Irwin,Charles Bruce
TI  - A review of electrocardiographic interpretation,
AV  - RC863 .I7
PY  - 1944///]
CY  - Chicago, Ill.
PB  - Northwestern university press
N1  - "First edition."; "Arranged for use primarily by students at Northwestern university Medical school." - Foreword; "References": p. 44
ER  -