Cohort Profile: National health insurance service-senior (NHIS-senior) cohort in Korea
Yong Ik Kim, Yeon-Yong Kim, Jong Lull Yoon, Chang Won Won, Seongjun Ha, Kyu-Dong Cho, Bo Ram Park, Sejin Bae, Eun-Joo Lee, Seong Yong Park, Jong Heon Park, Kyeong-ran Lee, Donghun Lee, Seung-lyeal Jeong, Hyung-soo Kang
BMJ Open Jul 2019, 9 (7) e024344; DOI: 10.1136/bmjopen-2018-024344