1. Wen, S. W., Zeng, N., Krewski, D., & Walker, M. C. (2024). When results from clinical trials are different from observational studies. Journal of clinical epidemiology, 111573. Advance online publication. https://doi.org/10.1016/j.jclinepi.2024.111573
2. Wen, S. W., Salman, M., Zeng, N., & Walker, M. C. (2024). Screening for diseases versus screening for health status. Journal of clinical epidemiology, 111650. Advance online publication. https://doi.org/10.1016/j.jclinepi.2024.111650
3. Zhou L, Qiu W, Wang J, Zhao A, Zhou C, Sun T, Xiong Z, Cao P, Shen W, Chen J, Lai X, Zhao LH, Wu Y, Li M, Qiu F, Yu Y, Xu ZZ, Zhou H, Jia W, Liao Y, Retnakaran R, Krewski D, Wen SW, Clemente JC, Chen T, Xie RH, He Y. Effects of vaginal microbiota transfer on the neurodevelopment and microbiome of cesarean-born infants: A blinded randomized controlled trial. Cell Host Microbe. 2023 Jul 12;31(7):1232-1247.e5. doi: 10.1016/j.chom.2023.05.022.
4. Corsi DJ, Donelle J, Sucha E, Hawken S, Hsu H, El-Chaâr D, Bisnaire L, Fell D, Wen SW, Walker M. Maternal cannabis use in pregnancy and child neurodevelopmental outcomes. Nat Med. 2020 Oct;26(10):1536-1540. doi: 10.1038/s41591-020-1002-5. Epub 2020 Aug 10. PMID: 32778828.
5. Wen SW*, Miao Q, Taljaard M, Lougheed J, Gaudet L, Davies M, Lanes A, Leader A, Corsi DJ, Sprague AE, Walker M. Associations of Assisted Reproductive Technology and Twin Pregnancy With Risk of Congenital Heart Defects. JAMA Pediatr. 2020 May 1;174(5):446-454. doi: 10.1001/jamapediatrics.2019.6096. PMID: 32091547; PMCID: PMC7042937.

All Other Publications

6. Wen SW*, White RR, Rybak N, Gaudet LM, Robson S, Hague W, Simms-Stewart D, Carroli G, Smith G, Fraser WD, Wells G, Davidge ST, Kingdom J, Coyle D, Fergusson D, Corsi DJ, Champagne J, Sabri E, Ramsay T, Mol BWJ, Qudjik MA, Walker MC, FACT Collaborating Group. Effect of high dose folic acid supplementation in pregnancy on pre eclampsia (FACT): double blind, phase III, randomised controlled, international, multicentre trial. BMJ. 2018 Sept 12:362:k3478. doi: 10.1136/bmj.k3478.
7. Wen SW*, Zhou J, Yang Q, Fraser W, Olatunbosun O, Walker M. Maternal exposure to folic acid antagonists and placenta-mediated adverse pregnancy outcomes. CMAJ. 2008; 179:1263-1268.
8. Wen SW*, Chen XK, Rodger M, White RR, Yang Q, Smith GN, Sigal RJ, Perkins SL, Walker MC. Folic acid supplementation in early second trimester and the risk of preeclampsia. Am J Obstet Gynecol. 2008 Jan;198(1):45.el-7.
9. Wen SW*, Kramer MS, Marcoux S, Liu S, Liston R, Ohlsson A. Comparison of maternal and infant outcomes between vacuum extraction and forceps deliveries. American Journal of Epidemiology. 2001; 153:103-7.
10. Joseph KS, Kramer MS, Marcoux S, Ohlsson A, Wen SW, Allen A, Platt R. Determinants of secular trends in preterm birth in Canada. N Engl J Med. 1998; 339:1434-1439.
11. Wen SW, Henanderz R, Naylor CD. Pitfalls in nonrandomized outcomes studies. The case of incidental appendectomy with open cholecystectomy. Journal of American Medical Association. 1995; 274:1687-1691.

See Ottawa Hospital and PubMed links for over 200 more publications.