Chang Ho Kim

Self-Reported Exposure to Second-Hand Smoke and Positive Urinary Cotinine in Pregnant Nonsmokers

M. Seong, K. Park, H. Song, 2009, Yonsei medical journal.

Characteristics of Mechanical Ventilation Employed in Intensive Care Units: A Multicenter Survey of Hospitals

Min Soo Han, Sang-Bum Hong, Y. Park, 2008, Journal of Korean medical science.