TY - RPRT TI - A modified radioisotopic assay for measuring glutamine synthetase activity in tissue extracts. AU - M R Pishak AU - A T Phillips PY - 1979 DO - 10.1016/0003-2697(79)90793-0 UR - https://pubmed.ncbi.nlm.nih.gov/37781/ ID - 37781 ER -