Reconsideration of sample size and power calculation for overall survival in cancer clinical trials

by Inkyung Jung, Hee Jung Ko, Sun Young Rha, Chung Mo Nam
Published 2018-12-01

Seasonal Composition Characteristics of TSP and PM2.5 Aerosols at Gosan Site of Jeju Island, Korea during 2008-2011

by Won-Hyung Kim, Eun-Yeong Hwang, Hee-Jung Ko, Chang-Hee Kang
Published 2013-12-01

Composition and Pollution Characteristics of Precipitation in Jeju Island, Korea for 1997–2015

by Jun-Oh Bu, Hee-Jung Ko, Chang-Hee Kang, Won-Hyung Kim, Jung-Min Song
Published 2021-12-01

Compositional Characteristics of Atmospheric Aerosols during a Consecutive High Concentration Episode in Seoul, Korea

by Hee-Jung Ko, Seung Joo Song, Jeong Eun Kim, Jung-Min Song, Joo Wan Cha
Published 2020-03-01