Related by context. Frequent words. (Click for all words.) 64 finger prick 56 tandem mass spectrometry 56 EEGs 54 tissue biopsies 53 Biopsies 53 lumbar puncture 53 meconium 52 CMV infection 52 venipuncture 52 Prostate Specific Antigen PSA 52 platelet transfusions 51 oral swab 51 liver biopsy 51 sputum samples 51 bone marrow biopsy 50 microliters 50 computed tomography CT scans 50 ultrasound scan 50 liver biopsies 50 Transfusions 50 surgical biopsy 50 Virtual colonoscopy 50 flexible sigmoidoscopy 50 episiotomies 49 sentinel nodes 49 newborn infants 49 skin prick 49 chest x rays 49 hyperbilirubinemia 49 venous blood 49 aspirate 49 Staphylococcus aureus bacteria 49 newborns 49 urine specimens 49 Premature babies 49 thrombolytic therapy 48 PCR amplification 48 arterial blockage 48 plasmapheresis 48 epidural anesthesia 48 IVF embryos 48 Caesarean deliveries 48 uncontrolled bleeding 48 Doppler ultrasound 48 pre cancerous polyps 48 ectopic pregnancies 48 caesarian section 48 preimplantation genetic diagnosis 48 premature babies 48 neural tube defect 48 catheterisation 48 febrile seizure 47 Urine samples 47 noninvasive imaging 47 caesarean delivery 47 rescanned 47 chorionic villus sampling 47 vaginal secretions 47 intraoperatively 47 nasal swab 47 fecal occult blood 47 digital rectal examination 47 transfused blood 47 retinal hemorrhages 47 coronary angiography 47 corneal transplantation 47 saliva 47 cheek swabs 47 X ray scans 47 mouth swabs 47 bilirubin 47 cotton swab 47 FORTEO 47 MRI scans 47 conventional colonoscopy 47 ultrasound scans 46 postpartum hemorrhage 46 amniocentesis 46 swab 46 thyroxine 46 stool samples 46 spinal tap 46 nasal swabs 46 Gestational diabetes 46 herpes infection 46 ureters 46 intravenous injections 46 edema swelling 46 abnormal growths 46 biopsies 46 spinal taps 46 endophthalmitis 46 near infrared spectroscopy 46 malignant hyperthermia 46 glucose 46 throat swab 46 D dimer 46 IVF cycles 46 newborn babies 46 creatinine levels 46 Retinopathy