the elution pattern of plasma sli was similar in young and older birds and was principally composed of a large molecular species ( 'big ' somatostatin ) , although an additional small peak eluting between somatostatin-28 and somatostatin-14 was eluted from a large pool of plasma from 90-day-old ducks .
C0074854
somatostatin-28
C0037659
somatostatin-14