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nursing lectures nervous system medical medicine radiology slide radiology anatomy scan ct scan abdomen peritoneum imaging anatomy surgery second trimester scan fetal well being chromosomal anomaly ultrasound scan anomaly fetal ultrasound fetus ppt obstetric scan usg anatomy and physiology #haemodialysis fistula anatomy of secondary pulmonary lobule hrct environmental lung disease hrct lung occupational lung diseae hrct interstitial lung diseae hrct diffuse lung diseae hrct chest pneumonia ct findings pneumonia xray tuberculosis x ray pulmonary tuberculosis radiology pulmonary tuberculosis mycobacterium tuberculosis radiology pneumonia radiology md radiology radiology of chest infection radiology of infection radiology of lungs chest infection pulmonary infections periitoneum presentation mri anatomy nd physiology