Home › Authors › Brent Q. Hafen Ph.D. 👤 Brent Q. Hafen Ph.D. 2 books Books by Brent Q. Hafen Ph.D. NEW MyLab BRADY without Pearson eText -- Access Card -- for Prehospital Emergency Care 2012 Prehospital Emergency Care Plu Prehospital Emergency Care Plus NEW MyBradyLab with Pearson eText (9th Edition) (Paramedic Care) 2012