RT Journal Article SR Electronic T1 The quality of qualitative research in family planning and reproductive health care JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 257 OP 259 DO 10.1783/0000000042177117 VO 30 IS 4 A1 Karen Forrest Keenan A1 Edwin van Teijlingen YR 2004 UL http://jfprhc.bmj.com/content/30/4/257.abstract AB