@misc{indiciaeddadb2895a43, title = {[Exogenous and endogenous irritants].}, author = {O WESTPHAL and O LUDERITZ and B KICKHOFEN and E EICHENBERGER and W KEIDERLING}, year = {1953}, url = {https://pubmed.ncbi.nlm.nih.gov/13121635/}, note = {Source identifier: 13121635} }