Fig. 1From: Intradiscal injection of monosodium iodoacetate induces intervertebral disc degeneration in an experimental rabbit modelSchema of monosodium iodoacetate (MIA) injection into rabbit intervertebral discs (IVDs). The contrast agent (CA) or MIA in CA was injected into rabbit IVDs. Each disc had a posterolateral percutaneous injection of CA or MIA in 10 μl of CA with a 31G needle using a micro syringe. L5–L6 had no operation and was used as a non-injection (NI) controlBack to article page