Complete Guide to ECGsJames H. O'Keefe Jr., Stephen C. Hammill, Mark S. Freed · First published 2010Open the Tome
ECG Criteria BookJames H. O'Keefe Jr., Stephen C. Hammill, Mark S. Freed · First published 2010Open the Tome
The ECG Criteria BookJr., MD, Stephen C. Hammill, MD, Mark S. Freed, MD, Steven M. Pogwizd, MD James H. K'Keefe · First published 2009Open the Tome
Written Language Observation Scale (WLOS)Donald D. Hammill, Stephen C. Larsen · First published 2009Open the Tome
The complete guide to ECGs, 1997James H. O'Keefe, James O'Keefe, Stephen C. Hammill, Mark Freed · First published 1997Open the Tome
