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Whitton A, Bednar H, Singer RF, Ahn R, Fox J, Isaacs L, Bayne A.Whitton A, et al. Among authors: singer rf.Public Health Res Pract. 2023 Dec 6;33(4):33122304. doi: 10.17061/phrp33122304.Public Health Res Pract. 2023.PMID: 38052195Free article.
Stefani M, Singer RF, Roberts DM.Stefani M, et al. Among authors: singer rf.Aust Prescr. 2019 Oct;42(5):163-167. doi: 10.18773/austprescr.2019.054. Epub 2019 Oct 1.Aust Prescr. 2019.PMID: 31631931Free PMC article.Review.