The crossover design for studies of infertility employing in-vitro fertilization: A methodological survey Autor Dalton R. Budhram, Daniel Shi, Sarah D. McDonald, Stephen D. Walter

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Simulation study on the validity of the average risk approach in estimating population attributable fractions for continuous exposures Autor Stephen D Walter, Christine M Friedenreich, Darren R Brenner, Yibing Ruan, Priyanka Gogna

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Correction to: Estimation of treatment preference effects in clinical trials when some participants are indifferent to treatment choice Autor Stephen D. Walter, Robin M. Turner, Petra Macaskill, Kirsten J. McCaffery, Les Irwig

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Serum 25-hydroxyvitamin d level and influenza vaccine immunogenicity in children and adolescents. Autor Michelle Science, Jonathon L Maguire, Margaret L Russell, Marek Smieja, Stephen D Walter, Mark Loeb

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Assessment and implication of prognostic imbalance in randomized controlled trials with a binary outcome--a simulation study. Autor Rong Chu, Stephen D Walter, Gordon Guyatt, P J Devereaux, Michael Walsh, Kristian Thorlund, Lehana Thabane

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Asthma and Allergic Disease Prevalence in a Diverse Sample of Toronto School Children: Results from the Toronto Child Health Evaluation Questionnaire (T-CHEQ) Study Autor Sharon D Dell, Richard G Foty, Nicolas L Gilbert, Michael Jerrett, Teresa To, Stephen D Walter, David M Stieb

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Nursing Home Residents and Enterobacteriaceae Resistant to Third-Generation Cephalosporins Autor Carolyn Sandoval, Stephen D. Walter, Allison McGeer, Andrew E. Simor, Suzanne F. Bradley, Lorraine M. Moss, Mark B. Loeb

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Determinants of Cervical Cancer Screening Accuracy for Visual Inspection with Acetic Acid (VIA) and Lugol's Iodine (VILI) Performed by Nurse and Physician. Autor Amidu O Raifu, Mariam El-Zein, Ghislain Sangwa-Lugoma, Agnihotram Ramanakumar, Stephen D Walter, Eduardo L Franco, Congo Screening Study Group

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Inconsistent definitions for intention-to-treat in relation to missing outcome data: systematic review of the methods literature. Autor Mohamad Alshurafa, Matthias Briel, Elie A Akl, Ted Haines, Paul Moayyedi, Stephen J Gentles, Lorena Rios, Chau Tran, Neera Bhatnagar, Francois Lamontagne, Stephen D Walter, Gordon H Guyatt

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Effect of Influenza Vaccination of Children on Infection Rate in Hutterite Communities: Follow-Up Study of a Randomized Trial. Autor Biao Wang, Margaret L Russell, Lorraine Moss, Kevin Fonseca, David J D Earn, Fred Aoki, Gregory Horsman, Paul Van Caeseele, Khami Chokani, Mark Vooght, Lorne Babiuk, Richard Webby, Stephen D Walter, Mark Loeb

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Effectiveness of cognitive behavioral therapy for depression in patients receiving disability benefits: a systematic review and individual patient data meta-analysis. Autor Shanil Ebrahim, Luis Montoya, Wanda Truong, Sandy Hsu, Mostafa Kamal El Din, Alonso Carrasco-Labra, Jason W Busse, Stephen D Walter, Diane Heels-Ansdell, Rachel Couban, Irene Patelis-Siotis, Marg Bellman, L Esther de Graaf, David J A Dozois, Peter J Bieling, Gordon H Guyatt

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