TY - RPRT TI - Two-dimensional polyacrylamide gel electrophoretic fractionation. AU - P H O'Farrell AU - P Z O'Farrell PY - 1977 DO - 10.1016/s0091-679x(08)60116-8 UR - https://pubmed.ncbi.nlm.nih.gov/196157/ ID - 196157 ER -