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APA Citation
Belviso, N., Zhang, Y., Aronow, H. D., Wyss, R., Barbour, M., Kogut, S., Lawal, O. D., Zhan, S. Y., Don, P. K., & Wen, X. (2022). addressing Posttreatment Selection Bias in Comparative Effectiveness Research, Using Real-World Data and Simulation. American journal of epidemiology, 191(2), 331–340. http://access.bl.uk/ark:/81055/vdc_100150543995.0x00005c