00760cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040004900111042001200160050002100172082001300193100002600206245006900232250001100301260005700312300004100369504002900410650002500439700005400464sg 46000088 DLC20260227112748.0780912s1946    paua     b    001 0 eng c  asg 46000088   a(OCoLC)4216598  aU. S. Surg.-gen. off. Libr.cNbUdOCoLCdDLC  apremarc00aRC683b.S24 1946  a616.07511 aScherf, David,d1899-10aClinical electrocardiography,cby David Scherf and Linn J. Boyd.  a2d ed.  aPhiladelphia [etc.]bJ.B. Lippincott Companyc[1946]  axii, 267 p.billus., diagrs.c27 cm.  aIncludes bibliographies. 0aElectrocardiography.1 aBoyd, Linn J.q(Linn John),d1895-ejoint author.