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Biometrical Journal. Biometrische Zeitschrift|December 7, 2021
Detection of multiple change points in a Weibull accelerated failure time model using sequential testingKristine Gierz, Kayoung ParkStatistical Methods in Medical Research|November 17, 2021
Non-parametric treatment time-lag effect estimationKristine Gierz, Kayoung Park, Peihua QiuLifetime Data Analysis|January 30, 2017
Evaluation of the treatment time-lag effect for survival dataKayoung Park, Peihua QiuJMIR Mhealth and Uhealth|October 21, 2020
Correction: Association Between Usage of an App to Redeem Prescribed Food Benefits and Redemption Behaviors Among the Special Supplemental Nutrition Program for Women, Infants, and Children Participants: Cross-Sectional StudyQi Zhang, Junzhou Zhang, Kayoung Park, et al.JMIR Mhealth and Uhealth|October 14, 2020
Association Between Usage of an App to Redeem Prescribed Food Benefits and Redemption Behaviors Among the Special Supplemental Nutrition Program for Women, Infants, and Children Participants: Cross-Sectional StudyQi Zhang, Junzhou Zhang, Kayoung Park, et al.International Journal of Environmental Research and Public Health|February 15, 2022
The Online Ordering Behaviors among Participants in the Oklahoma Women, Infants, and Children Program: A Cross-Sectional AnalysisQi Zhang, Kayoung Park, Junzhou Zhang, et al.Public Health Nutrition|August 27, 2025
The Association between Food Benefit Online Ordering and Redemptions: Evidence from the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC)Junzhou Zhang, Chuanyi Tang, Kayoung Park, et al.Journal of Nutrition Education and Behavior|June 27, 2021
App Usage Associated With Full Redemption of WIC Food Benefits: A Propensity Score ApproachQi Zhang, Junzhou Zhang, Kayoung Park, et al.Nutrients|February 11, 2023
Evaluation of WIC Online Ordering during the COVID-19 Pandemic: Evidence from an Oklahoma Grocery Store ChainQi Zhang, Junzhou Zhang, Kayoung Park, et al.Food Policy|May 31, 2021
Revisiting the Relationship between WIC Participation and Breastfeeding among Low-Income Children in the U.S. after the 2009 WIC Food Package RevisionQi Zhang, Chun Chen, Hong Xue, et al.Pageof 2