Adherence and dosage contributions to parenting program quality TitleAdherence and dosage contributions to parenting program quality Publication TypeJournal Article AuthorsGross TJ, Mason WA, Parra G, Oats R, Ringle J, Haggerty KP PubMed ID26726301 PubMed Central IDPMC4697741 Grant ListR01 DA025651 / DA / NIDA NIH HHS / United States