A54B0396-6687-401B-96BD-696228CAC727Children Learning About Second-hand Smoke: Cluster randomised-controlled trialResearch GrantMR/T004959/1C008C651-F5B0-4859-A334-5F574AB6B57CMRCINCOME_ACTUAL12390613FAE55E4-1547-4972-B8F2-29C18CF53631Children Learning About Second-hand Smoke (CLASS II): a mixed methods process evaluation of a school-based interventionPilot and Feasibility Studiese34e78f3be6717209b698907c5d8f735Jackson C2021-01-01http://dx.doi.org/10.1186/s40814-021-00853-934030729http://ukpmc.ac.uk/abstract/MED/340307292055-5784http://europepmc.org/abstract/MED/340307291Journal Article/Review60d29d8390157