An unusual cause for increased resistance to injection during administration of spinal anesthesia.
D000368:Aged; D000775:Anesthesia, Spinal / Q000295:instrumentation*; D006801:Humans; D007462:Iodobenzenes / Q000134:cerebrospinal fluid*; D007481:Iophendylate / Q000134:cerebrospinal fluid*; D008297:Male; D013594:Syringes
D007462:Iodobenzenes; D007481:Iophendylate