ASHA, Create a PICO question (PDF).
ASHA. Frame your clinical question.
PICO(T) question templates: Guides to help structure PICO questions. Adapted from the PICOT Questions Template; Ellen Fineout-Overholt, 2006.
Making research matter: Steps to impact for health and care researchers by 
Selecting and implementing evidence-based practice: A practical program guide by 