Clinical Outcomes Following Letrozole Treatment according to Estrogen Receptor Expression in Postmenopausal Women: LETTER Study (KBCSG-006).
Sung-Gwe AhnSeok-Jin NamSei-Hyun AhnYong Sik JungHeung Kyu ParkSoo Jung LeeSung Soo KangWonshik HanKyong-Hwa ParkYong Lai ParkJihyoun LeeHyun Jo YounJun Hyun KimYoung-Bum YooJeong Yoon SongByung Kyun KoGeumhee GwakMin Sung ChungSung Yong KimSeo Heon ChoDoyil KimMyung Chul ChangByung-In MoonLee Su KimSei Joong KimMin-Ho ParkTae Hyun KimJihyoung ChoCheol Wan LimYoung Tae BaeGyungyub GongYoung Kyung BaeAh Won LeeJoon JeongPublished in: Journal of breast cancer (2021)
ClinicalTrials.gov Identifier: NCT01069211.