Chapko MK, Hedrick S. Cost as a study outcome: sensitivity of study conclusions to the method of estimating cost. Med Care. 1999 Apr;37(4 Suppl Va):AS37-44.
Chapko MK, Hedrick S. Cost as a study outcome: sensitivity of study conclusions to the method of estimating cost. Med Care. 1999 Apr;37(4 Suppl Va):AS37-44.