title: Objective measurement of metered-dose inhaler use. Ethical considerations.
authors.forename: C S
authors.initials: CS
authors.lastname: Rand
mesh_terms: D002986:Clinical Trials as Topic; D004992:Ethics, Medical; D006801:Humans; D007258:Informed Consent; D009330:Nebulizers and Vaporizers; D010349:Patient Compliance; D012107:Research Design; D014342:Truth Disclosure