1. Epidemiology of acne vulgaris;Bhate;The British Journal of Dermatology,2013
2. The burden of skin diseases: 2004 a joint project of the American Academy of Dermatology Association and the Society for Investigative Dermatology;Bickers;Journal of the American Academy of Dermatology,2006
3. Center for Medicare & Medicaid Services 2013 https://www.medicaid.gov/medicaid-chip-program-information/by-topics/prescription-drugs/ful-nadac-downloads/nadacmethodology.pdf
4. Centers for Medicare & Medicaid Services 2017 https://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/ClinicalLabFeeSched/Clinical-Laboratory-Fee-Schedule-Files.html
5. Cost effectiveness of isotretinoin;Cunliffe;The Journal of Dermatological Treatment,1991