When did your child first have this type of operation:TmStp:Pt:^Patient:Qn:PhenX
when did your child first have this type of operation:tmstp:pt:^patient:qn:phenx
What month and year did your child first have this type of operation [Date and time] [PhenX]
what month and year did your child first have this type of operation [date and time] [phenx]