O. John Ma

• Tintinalli's Emergency Medicine
• Emergency medicine
• Geriatric emergency medicine
• Tintinalli's Emergency Medicine Manual, Eighth Edition
• Emergency ultrasound
• Ma and Mateer's Emergency Ultrasound, Third Edition
• Ma and Mateers Emergency Ultrasound, 4th Edition
• Emercency Medicine Fifth Edition Companion Handbook
• Emergency medicine
• Emergency Medicine Manual 6e for the PDA
• Pocket Atlas of Emergency Ultrasound, Second Edition
• Emergency medicine manual