the biologic ( b ) and immunologic ( i ) properties of luteinizing hormone ( lh ) and follicle-stimulating hormone ( fsh ) were studied in three commercial urinary gonadotropin preparations and in the first international standard preparation of human urinary gonadotropins before and after fractionation by isoelectrofocusing ( ief ) .
C0733758
follicle-stimulating hormone
C0018061
gonadotropins