Use of uterine artery Doppler ultrasonography to predict pre-eclampsia and intrauterine growth restriction: a systematic review and bivariable meta-analysisJeltsje S. Cnossen, Khalid S. Khan, B. W. J. Mol et al.|Canadian Medical Association Journal|2008Cited by 718
Methods of prediction and prevention of pre-eclampsia: systematic reviews of accuracy and effectiveness literature with economic modellingCatherine Meads, Khalid S. Khan, Tracy Roberts et al.|Health Technology Assessment|2008Cited by 322
Endometrial Thickness Measurement for Detecting Endometrial Cancer in Women With Postmenopausal BleedingAnne Timmermans, Ben W. Mol, T. Justin Clark et al.|Obstetrics and Gynecology|2010Cited by 310