Seasonality of blood neopterin levels in the Old Order Amish.
Mohyuddin H, Georgiou P, Wadhawan A, Daue ML, Brenner LA, Gragnoli C, Saunders EFH, Fuchs D, Lowry CA, Postolache TT. Seasonality of blood neopterin levels in the Old Order Amish. Pteridines. 2017; 28(3-4):163-176.