References
- Onda M, Igawa H, Inoue K, et al. Novel technique of follicular unit extraction hair transplantation with a powered punching device. Dermatol Surg. 2008;34:1683–1688.
- Rassman WR, Bernstein RM, McClellan R, et al. Follicular unit extraction: minimally invasive surgery for hair transplantation. Dermatol Surg. 2002;28:720–728.
- Humayun Mohmand M, Ahmad M. Effect of follicular unit extraction on the donor area. World J Plast Surg. 2018;7(2):193–197.
- Koray E. Practical aspects of hair transplantation in Asians. In: Gigasessions with FUE: how to avoid complications. Pathomvanich Damkerng, Imagawa Kenichiro (Eds). Berlin (Germany): 2018, Springer.
- Birnbaum MR, McLellan BN, Shapiro J, et al. Evaluation of hair density in different ethnicities in a healthy American population using quantitative trichoscopic analysis. Skin Appendage Disord. 2018;4(4):304–307.
- Lee HJ, Ha SJ, Lee JH, et al. Hair counts from scalp biopsy specimens in Asians. J Am Acad Dermatol. 2002;46(2):218–221.
- Yaprohm P, Manonukul J, Sontichai V, et al. Hair follicle counts in Thai population: a study on the vertex scalp area. J Med Assoc Thai. 2013;96(12):1578–1582.
- Ko JH, Huang YH, Kuo TT. Hair counts from normal scalp biopsy in Taiwan. Dermatol Surg. 2012;38(9):1516–1520.
- Yun SS, Park JH, Na YC. Hair diameter variation in different vertical regions of the occipital safe donor area. Arch Plast Surg. 2017;44(4):332–336.
- Whiting DA. Diagnostic and predictive value of horizontal sections of scalp biopsy specimens in male pattern androgenetic alopecia. J Am Acad Dermatol. 1993;28(5):755–763.
- Sperling LC. Hair density in African Americans. Arch Dermatol. 1999;135(6):656–658.
- Tsai RY, Lee SH, Chan HL. The distribution of follicular units in the Chinese scalp: implications for reconstruction of natural-appearing hairlines in Orientals. Dermatol Surg. 2002;28:500–503.
- Aslani FS, Dastgheib L, Banihashemi BM. Hair counts in scalp biopsy of males and females with androgenetic alopecia compared with normal subjects. Cutan Pathol. 2009;36(7):734–739.
- Garcia C, Poletti E. Scalp biopsy specimens: transverse vs vertical sections. Arch Dermatol. 2007;143(2):268.
- Jimenez F, Ruifernández JM. Distribution of human hair in follicular units. A mathematical model for estimating the donor size in follicular unit transplantation. Dermatol Surg. 1999;25(4):294–298.
- Keene SA, Rassman WR, Harris JA. Determining safe excision limits in FUE: factors that affect, and a simple way to maintain, aesthetic donor density. Hair Transplant Forum Int. 2018;28:1–11.
- Devroye J. Donor area harvesting. In: Unger , editor. Hair transplantation. 5th ed. London (UK): Informa Health Care; 2011. p. 247–248.
- Harris JA. The SAFE system: new instrumentation and methodology to improve follicular unit extraction (FUE). Hair Transplant Forum Int. 2004;14:163–164.