1. The color of the hair;Rook,1991
2. Dermatology in general medicine;Bertolino,1993
3. Hair color changes in kwashiorkor;Bradfield;Lancet,1974
4. Hypertrichosis due to minoxidil;Burton;Br J Dermatol,1974
5. Minoxidil;Ridgley;Lahey Clin Foundation Bull,1979