title: The key to marketing is timing.
authors.affiliation: The PowerPractice, USA. drgerber@powerpractice.com
authors.forename: Gary
authors.initials: G
authors.lastname: Gerber
mesh_terms: D002648:Child; D006801:Humans; D040541:Marketing / Q000379:methods*; D009799:Ocular Physiological Phenomena; D009907:Optometry / Q000458:organization & administration*; D012574:Schools; D012621:Seasons; D014481:United States