Labels:text | screenshot | black | black and white | document OCR: Several years later, however, Brazeau ar in's collaborators, while working in Guillem laboratory on the attempted isolation of ahibitory GH-releasing factor, again observed the ogy gainedfactor. With the background in method hey were from earlier studies of TRH and GnRH, and able, in a relatively short time, to isolate mic identify a potent peptide from hypothal extracts, which inhibited GH release