Clinical pallor is useful to detect severe anemia in populations where anemia is prevalent and severe

Stoltzfus RJ, Edward-Raj A, Dreyfuss ML, Albonico M, Montresor A, Dhoj Thapa M, West KP Jr, Chwaya HM, Savioli L, Tielsch J. Clinical pallor is useful to detect severe anemia in populations where anemia is prevalent and severe. J Nutr. 1999; 129(9): 1675-81.