Perrin-Understanding-the-Essentials-of-Critical-Care-Nursing-1e.pdf Perrin-Understanding-the-Essentials-of-Critical-Care-Nursing-1e.pdf administrator Test Bank: Understanding the Essentials of Critical Care Nursing, 1st Edition, Kathleen Ouimet Perrin, ISBN-10: 0131722107, ISBN-13: 9780131722101