@misc{indiciaedf196bb587e8, title = {Problems of classification in necrotizing vasculitis.}, author = {M S Schellong and J Niedermeyer and J Bernhards and H Fabel and K Alexander}, year = {1993}, doi = {10.1007/978-1-4757-9182-2\_57}, url = {https://pubmed.ncbi.nlm.nih.gov/8296632/}, note = {Source identifier: 8296632} }