;EP RETURN MULTIPLES
; PSUFILE is the immediate upper level file number of the one desired
; PSUDA is the "DO,D1,Dx .." IENS to get to the immediate upper level
; PSUFLD is the field notation for the multiple at the upper level
; "3*"
; appended with "^" and the list of fields ".01;.02;9.3;..."
; resulting in "3*^.01;.02;9.3;..."
; PSUROOT is the target closed array reference
; PSUFORM is the format as in GET^DIQ
; return form is @PSUROOT@(da,fld)=VALUE