three hundred patients with grass pollen hay-fever , with or without pollen asthma , were given one of three forms of treatment : preseasonal or coseasonal alum-precipitated pyridine extracted grass pollen ( allpyral ) or methylprednisolone acetate in slow-release form ( depo-medrone ) .
C0600901
methylprednisolone acetate
C0699627
depo-medrone