TY - JOUR AU - Jeanice Brown AU - J. Yen AU - Michele Schantz AU - Barbara Porter AU - Katherine Sharpless C2 - Journal of Agricultural and Food Chemistry DA - 2004-05-05 LA - en M1 - 52 PB - Journal of Agricultural and Food Chemistry PY - 2004 TI - Determination of Caffeine, Theobromine, and Theophylline in Standard Reference Material 2384, Baking Chocolate, Using Reversed-Phase Liquid Chromatography ER -