TY - RPRT TI - A quantitative bioassay specific for polygalacturonases. AU - H W Mussell AU - D J Morre PY - 1969 DO - 10.1016/0003-2697(69)90190-0 UR - https://pubmed.ncbi.nlm.nih.gov/5781426/ ID - 5781426 ER -