RT Journal Article SR Electronic T1 Measuring quality in contraceptive services. JF Quality in Health Care JO Qual Health Care FD BMJ Publishing Group Ltd SP 59 DO 10.1136/qshc.6.2.59 VO 6 IS 2 A1 Smith, C YR 1997 UL http://qualitysafety.bmj.com/content/6/2/59.abstract AB