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1 The relationship between pit and fissure sealant (PFS) experience and the socio-economic factors of adolescents before and after coverage by National Health Insurance (NHI)
Jin-Sun Choi, Deok-Young Park, Se-Hwan Jung
J Korean Acad Oral Health.2017;41(2):116-121.   Published online 2017 June 15     DOI: http://dx.doi.org/10.11149/jkaoh.2017.41.2.116
   
2 Socio-economic status is associated with the risk of inadequate energy intake among Korean elderly
Eun Jin So, Hyojee Joung
J Nutr Health.2015;48(4):371-379.   Published online 2015 January 19     DOI: http://dx.doi.org/10.4163/jnh.2015.48.4.371
   
3 The Effect of Socio-Economic Factors on Occupational Injuries in Korea: A Time Series Analysis
Ye-Won Bang, Hyoung-June Im, Young-Jun Kwon, Seong-Sik Cho, Tae-Kyung Lee, In-Ki Yoon, Young-Su Ju
Korean J Occup Environ Med.2011;23(4):397-406.   Published online 2011 December 31     DOI: http://dx.doi.org/10.35371/kjoem.2011.23.4.397
      

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