Imaging
B2 Heart
B5 Veins
B8 Eye
B9 Ear, Nose, Mouth and Throat
BF Hepatobiliary System and Pancreas
BH Skin, Subcutaneous Tissue and Breast
BR Axial Skeleton, Except Skull and Facial Bones
BV Male Reproductive System
BW Anatomical Regions
BY Fetus and Obstetrical