TY  - RPRT
TI  - Artificial lichenification produced by a scratching machine.
AU  - R W GOLDBLUM
AU  - W N PIPER
PY  - 1954
DO  - 10.1038/jid.1954.57
UR  - https://pubmed.ncbi.nlm.nih.gov/13163504/
ID  - 13163504
ER  -