TY - RPRT TI - Magnetic protein A microspheres: a rapid method for cell separation. AU - K J Widder AU - A E Senyei AU - H Ovadia AU - P Y Paterson PY - 1979 DO - 10.1016/0090-1229(79)90165-x UR - https://pubmed.ncbi.nlm.nih.gov/315293/ ID - 315293 ER -