Effects of sugars and polymers on crystallization of poly(ethylene glycol) in frozen solutions: phase separation between incompatible polymers.
Izutsu K, Yoshioka S, Kojima S, Randolph TW, Carpenter JF. Effects of sugars and polymers on crystallization of poly(ethylene glycol) in frozen solutions: phase separation between incompatible polymers. Pharm Res. 1996 Sep; 13(9):1393-400.