TY - RPRT TI - Protease3.75 activity in rheumatoid tissues. AU - M Oka AU - J Puranen AU - T Hokkanen AU - O Seppälä AU - K Vainio PY - 1973 DO - 10.1080/03009747309097144 UR - https://pubmed.ncbi.nlm.nih.gov/4543122/ ID - 4543122 ER -