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. 2016 Oct 11;8:363–371. doi: 10.2147/CLEP.S116160

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© 2016 Taipale et al. This work is published and licensed by Dove Medical Press Limited

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Formation of the included drug groups (ATC classes) in the study.

Notes: A06A, drugs for constipation; A12A, calcium; B03A, iron preparations; M02A, topical products for joint and muscular pain; A12B, potassium; S01X, other ophthalmologicals; D07A, dermal corticosteroids; H02A, corticosteroids for systemic use; J01E, sulfonamides and trimethoprim; J01X, other antibacterials; N04B, dopaminergic agents; R03D, other systemic drugs for obstructive airway diseases; G03C, estrogens; R06A, antihistamines for systemic use.

Abbreviations: ATC, Anatomical Therapeutic Chemical; OTC, over the counter.