@misc{indiciaebaed8835ddf7, title = {Analyses with the KODAK-Ektachem. Accuracy control using reference method values and the influence of protein concentration. Part II. Substrates.}, author = {W R Külpmann and P Maibaum and O Sonntag and G Schumann and L Siekmann}, year = {1990}, url = {https://pubmed.ncbi.nlm.nih.gov/2077096/}, note = {Source identifier: 2077096} }