{HEAD ~ Increased yield} and purity of {TAIL ~ the growth hormone} is obtained by using controlled amounts of polyethylene glycol as precipitating agent at pH = 4 6, preferably 4.5 5.0 and separating the precipitated fractions 
of
{ HEAD ~ Increased yield } and purity of { TAIL ~ the growth hormone } is obtained by using controlled amounts of polyethylene glycol as precipitating agent at pH = 4 6 , preferably 4.5 5.0 and separating the precipitated fractions
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH