Regional Variance of Multiple Birth Rate in Korea: 2009-2013
Journal of Health Informatics and Statistics. 2016;41(4):436-442 
Birth of Democracy
Korea Betrayed. 2009;103-117
Childcare and Measures Targeting Japan’s Low Birth Rate: What Effect Can the Decentralization of Authority Have on the Birth Rate?
Economic Challenges Facing Japan’s Regional Areas. 2018;145-154
Trends in survival rate for very low birth weight infants and extremely low birth weight infants in Korea, 1967-2007
Korean Journal of Pediatrics. 2008;51(3):237
Measures to Address Japan’s Low Birth Rate
Economic Challenges Facing Japan’s Regional Areas. 2018;131-135
Hydro-social metabolism: scaling of birth rate with regional water use
Palgrave Communications. 2018;4(1):
Controlling the high order multiple birth rate: the European perspective
Reproductive BioMedicine Online. 2003;6(3):339-344
Maternal Age, Multiple Birth, and Extremely Low Birth Weight Infants
Yearbook of Obstetrics, Gynecology and Women's Health. 2009;2009:100-101
Neurodevelopmental outcomes of very low birth weight infants and extremely low birth weight infants in Korea, 1984-2008
Korean Journal of Pediatrics. 2009;52(1):14
Cultural Parameters of a “Miraculous” Birth Rate Drop
Anthropology News. 2009;50(3):14-15