[DOI] [PMC free article] [PubMed] [Google Scholar] 156.Tan D, Ertunc ME, Konduri S, Zhang J, Pinto AM, Chu Q, et al
Int J Dermatol 1989
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Phase Initial 4 weeks Daily Dose 300 mcg Volume 0.18 mL Units (U-100) 18 units Phase Maintenance (weeks 5-12) Daily Dose 500 mcg Volume 0.30 mL Units (U-100) 30 units Phase Optional extension Daily Dose 300-500 mcg Volume 0.18-0.30 mL Units (U-100) 18-30 units This summarizes the published research-context dose range (commonly cited 300-500 mcg/day)

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Koch, D., Dao, N., Healy, B., Yu, J., & Attwood, A