%0 Journal Article %A R Fitzpatrick %A M Boulton %T Qualitative methods for assessing health care. %D 1994 %R 10.1136/qshc.3.2.107 %J Quality in Health Care %P 107-113 %V 3 %N 2 %U https://qualitysafety.bmj.com/content/qhc/3/2/107.full.pdf