title: Accidental marrow sampling during caudal anaesthesia.
mesh_terms: D000775:Anesthesia, Spinal / Q000009:adverse effects*; D001853:Bone Marrow; D001854:Bone Marrow Cells; D002467:Cell Nucleus; D003593:Cytoplasm; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009339:Needles; D012447:Sacrum / Q000293:injuries