Simultaneous measurement of phenylalanine and tyrosine in phenylketonuric plasma and dried blood by high-performance liquid chromatography.
Dale Y, Mackey V, Mushi R, Nyanda A, Maleque M, Ike J. Simultaneous measurement of phenylalanine and tyrosine in phenylketonuric plasma and dried blood by high-performance liquid chromatography. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 May 05; 788(1):1-8.