polyclonal antibodies to synthetic human pancreatic growth hormone-releasing factor [ hpgrf ( 1-44 ) nh2 ] and rat hypothalamic growth hormone-releasing factor [ rhgrf ( 1-43 ) oh ] were produced in rabbits by injecting these weak immunogens , coupled to thyroglobulin and emulsified with complete freund 's adjuvant in the presence of activated charcoal , directly into the spleen .
C0020663
hypothalamic
C0037668
growth hormone-releasing factor