Oh TG, Cha WC, Jo IJ, Kang MJ, Lee DW.
A survey-based study on the protocols for therapeutic hypothermia in cardiac arrest patients in Korea: focusing on the differences between level 1 and 2 centers.
Clin Exp Emerg Med. 2015;2(4):210-216.

Park HA, Ahn KO, Shin SD, Cha WC, Ro YS.
The Effect of Emergency Medical Service Use and Inter-hospital Transfer on Prehospital Delay among Ischemic Stroke Patients: A Multicenter Observational Study.
J Korean Med Sci. 2016;31(1):139-146.
(IF 1.256)

Park JH, Ahn KO, Shin SD, Cha WC, Ryoo HW, Ro YS, Kim T. The first-door-to-balloon time delay in STEMI patients undergoing interhospital transfer.
Am J Emerg Med. 2016 May;34(5):767-71.
(IF 1.504)

Kim CH, Kim GW, Cha WC, Kang BR, Do HH, Seo JS.
For how long can two emergency medical technicians perform high-quality cardiopulmonary resuscitation?
J Int Med Res. 2015 Dec;43(6):841-50.
(IF 1.431)

Ko E, Lee JH, Chae MK, et al.
Successful fibrinolytic and therapeutic hypothermic management of cardiac arrest following massive pulmonary embolism.
Clin Exp Emerg Med. 2015;2(3):193-196.

Lim SM, Cha WC, Chae MK, Jo IJ.
Contamination during doffing of personal protective equipment by healthcare providers.
Clin Exp Emerg Med. 2015 Sep 30;2(3):162-167.

Cha WC, Song KJ, Cho JS, Singer AJ, Shin SD.
The Long-Term Effect of an Independent Capacity Protocol on Emergency Department Length of Stay: A before and after Study.
Yonsei Med J. 2015;56(5):1428-1436.
(IF 1.154)

Lee YJ, Shin SD, Lee EJ, Cho JS, Cha WC.
Emergency Department Overcrowding and Ambulance Turnaround Time.
PLoS One. 2015;10(6):e0130758.
(IF 3.057)

Ro YS, Shin SD, Song KJ, Cha WC, Cho JS.
Triage-based resource allocation and clinical treatment protocol on outcome and length of stay in the emergency department.
Emerg Med Australas. 2015 Aug;27(4):328-35.
(IF 1.04)

Cha WC, Lee EJ, Hwang SS.
The duration of cardiopulmonary resuscitation in emergency departments after out-of-hospital cardiac arrest is associated with the outcome: A nationwide observational study.
Resuscitation. 2015 Nov;96:323-7.
(IF 0.49)

Song-Hee Kim; Ponni Vel; Ward Whitt; Won Chul Cha
Poisson and non-Poisson properties in appointment-generated arrival processes: The case of an endocrinology clinic
Operations Research Letters. 2015. ISSN: 0167-6377, Vol: 43, Issue: 3, Page: 247-253
(IF 0.648)

Cha WC, Cho JS, Shin SD, Lee EJ, Ro YS.
The impact of prolonged boarding of successfully resuscitated out-of-hospital cardiac arrest patients on survival-to-discharge rates.
Resuscitation. 2015 May;90:25-9.
(IF 0.49)