OHDSI: An Open-Source Platform for Observational Data Analytics and Collaborative Research. - Jon D. Duke; Frank J. DeFalco; Chris Knoll; Vojtech Huser; Richard D. Boyce; Patrick B. Ryan (AMIA, 2015)

Feasibility and utility of applications of the common data model to multiple, disparate observational health databases. - Erica A. Voss; Rupa Makadia; Amy Matcho; Qianli Ma; Chris Knoll; Martijn J. Schuemie; Frank J. DeFalco; Ajit Londhe; Vivienne J. Zhu; Patrick B. Ryan (J. Am. Medical Informatics Assoc., 2015)

Health-Analytics Data to Evidence Suite (HADES): Open-Source Software for Observational Research. - Martijn J. Schuemie; Jenna Reps; Adam Black; Frank J. DeFalco; Lee Evans; Egill A. Fridgeirsson; James P. Gilbert; Chris Knoll; Martin Lavallee; Gowtham A. Rao; Peter R. Rijnbeek; Katy Sadowski; et al. (MedInfo, 2023)