The co-occurrence of multimorbidity and polypharmacy among middle-aged and older adults in Canada: A cross-sectional study using the Canadian Longitudinal Study on Aging (CLSA) and the Canadian Primary Care Sentinel Surveillance Network (CPCSSN) - Kathryn Nicholson; Jennifer Salerno; Sayem Borhan; Benoit Cossette; Dale Guenter; Meredith Vanstone; John Queenan; Michelle Greiver; Michelle Howard; Amanda L. Terry; Tyler Williamson; Lauren E. Griffith; et al. (PLoS ONE, 2025)