TY - RPRT TI - Isoelectrofocusing on flat bed for determining and separating beta-endorphin. AU - A Santagostino AU - P Fumagalli AU - G Giagnoni AU - E Torretta PY - 1983 DO - 10.1016/0024-3205(83)90462-9 UR - https://pubmed.ncbi.nlm.nih.gov/6319851/ ID - 6319851 ER -