@misc{indiciaeaf6af0798e4d, title = {[The intravenous phenol red test. Methodical principles and normal values].}, author = {D Höffler and G Offermann and H Frenz}, year = {1968}, doi = {10.1055/s-0028-1105077}, url = {https://pubmed.ncbi.nlm.nih.gov/5648353/}, note = {Source identifier: 5648353} }