TY  - RPRT
TI  - Granuloma annulare: direct immunofluorescence study.
AU  - P Umbert
AU  - R K Winkelmann
PY  - 1976
DO  - 10.1111/j.1365-2133.1976.tb00858.x
UR  - https://pubmed.ncbi.nlm.nih.gov/791336/
ID  - 791336
ER  -