Contribution of thirdhand smoke to overall tobacco smoke exposure in pediatric patients: study protocol.
E Melinda Mahabee-GittensGeorg E MattEunha HohPenelope J E QuintanaLara StoneMaegan A GeraciChase A WullenweberGena N KoutsounadisAbigail G RuweGabriel T MeyersMark A ZakrajsekJohn K WitryAshley L MerianosPublished in: BMC public health (2019)
ClinicalTrials.gov Identifier: NCT02531594 . Date of registration: August 24, 2015.