Related by context. Frequent words. (Click for all words.) 66 abdominal ultrasound 65 ovulation induction 64 invasive diagnostic 62 endoscopists 62 ERCP 61 liver biopsies 61 nasal obstruction 61 thromboprophylaxis 61 Computed tomography 60 endoscopist 60 transurethral resection 60 radical cystectomy 60 gastroscopy 60 thyroidectomy 60 catheterisation 60 carotid stenosis 60 Ultrasonography 59 adenotonsillectomy 59 postsurgical 59 ultrasonographic 59 laparotomy 59 ultrasound examinations 59 thrombophilia 59 computed tomography scans 59 ablation procedures 59 splenic 59 cytological 59 thyroid nodules 59 GnRH agonists 59 gynecologic procedures 59 intubations 58 intravitreal injections 58 chest radiograph 58 hematuria 58 neurologic symptoms 58 liver biopsy 58 endoscopically 58 renal tumors 58 cholecystectomy 57 antibiotic prophylaxis 57 Radiographs 57 histopathologic 57 thyroid dysfunction 57 endometrial ablation 57 MRI exams 57 gastrectomy 57 corticosteroid injections 57 beta blocker therapy 57 pyelonephritis 57 diagnostically 57 obstetric complications 56 valvular heart 56 intracardiac 56 histopathological 56 concomitant medications 56 recurrent miscarriage 56 corticosteroid therapy 56 surgical excision 56 postoperative complications 56 preoperatively 56 QTc prolongation 56 echocardiographic 56 bone marrow suppression 56 thromboembolic events 56 Doppler ultrasound 56 cochlear implantation 56 warfarin therapy 56 endovascular procedures 56 percutaneous coronary interventions 56 fluoroscopic 56 Exclusion criteria 56 therapeutic regimens 56 multivariate logistic regression 56 reimplantation 56 surgical biopsy 56 thromboembolic 55 Biopsies 55 intraoperatively 55 coronary angiography 55 noninvasive imaging 55 barium enema 55 valvular 55 cystectomy 55 Tonsillectomy 55 nonoperative 55 endoscopic examination 55 anticoagulation therapy 55 lung nodules 55 explants 55 ovarian stimulation 55 nephrectomy 55 sentinel lymph node biopsy 55 vascular abnormalities 55 needle biopsies 55 neuroimaging studies 55 sternotomy 55 POAG 55 parathyroid 55 endoscopic procedure 55 endoscopic procedures 55 computed tomography CT scans