title: Preliminary characterization and evaluation of techniques for the isolation of prostate-derived growth factor.
mesh_terms: D000645:Ammonium Sulfate; D002478:Cells, Cultured; D011232:Chemical Precipitation; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D005069:Evaluation Studies as Topic; D006133:Growth Substances / Q000302:isolation & purification*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D008297:Male; D010455:Peptides / Q000302:isolation & purification; D011470:Prostatic Hyperplasia / Q000378:metabolism*; D014020:Tissue Extracts / Q000032:analysis*
chemical_list: D006133:Growth Substances; D010455:Peptides; D014020:Tissue Extracts; D000645:Ammonium Sulfate