¹ Price V. Treatment of hair loss. In Drug Therapy-September. New England  Journal of Medicine 1999; p. 964-973.

²Norwood O. Male pattern baldness: Classification and incidence. Southern Medical Journal 1975; 68(11):1359-1365.

³Data on file, MSD Philippines.

⁴Merck Manual of Medical Information Second Home Edition 2003. Published Merck Research Laboratories, division of Merck and Co. Inc, Whitehouse Station, NJ, USA.