Figure 1.
A reproduction of the page of the WHO report that has been used as a standard for anemia in epidemiologic studies. The casual treatment of the lower level of normal, given in whole numbers without decimal points in this 40-page document dealing with nutritional anemia, clearly suggests that the authors never intended for these values to become a hallowed international standard. (From Nutritional Anaemias. Report of a WHO Scientific Group. WHO Tech Rep Ser. 1968;405:1-401 ; with permission.)
