Liu W, Luo F, Wu H, Li H, Bai G. Noggin Protein can Induce the Differentiation of Rat Bone Marrow Mesenchymal Stem Cells to Neurons and Repair Spinal Cord Injury. Discov Med. 2023 Dec;35(179):956–64. doi: 10.24976/discov.med.202335179.91. PMID: 38058060.