@article{GrandkeOberleitnerReschGengeretal.2013, author = {Julia Grandke and Lidia Oberleitner and Ute Resch-Genger and L.-A. Garbe and Rudolf Schneider}, title = {Quality assurance in immunoassay performance - comparison of different enzyme immunoassays for the determination of caffeine in consumer products}, journal = {Analytical and bioanalytical chemistry}, volume = {405}, number = {5}, pages = {1601 -- 1611}, doi = {10.1007/s00216-012-6596-0}, year = {2013}, }