Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Ponce Bollmann, Felipe" or (type any "bookEditor issueEditor" and editor="Ponce Bollmann,... Add to list Journal Article A1 open access Aetiological and prognostic roles of frailty, multimorbidity and socioeconomic characteristics in the development of SARS-CoV-2 health outcomes : protocol for systematic reviews of population-based studies Tatjana T Makovski, Jinane Ghattas, Stephanie Monnier Besnard, Monika Ambrozova, Barbora Vasinova, Rodrigo Feteira-Santos, Peter Bezzegh, Felipe Ponce Bollmann, James Cottam, Romana Haneef, et al. (2022) BMJ OPEN. 12(11).