@misc{indiciae8cbd1483b77c, title = {Artificial lichenification produced by a scratching machine.}, author = {R W GOLDBLUM and W N PIPER}, year = {1954}, doi = {10.1038/jid.1954.57}, url = {https://pubmed.ncbi.nlm.nih.gov/13163504/}, note = {Source identifier: 13163504} }