"PLoS One" . . . "cc-by" . "Chen, J-Y" . "PMC3928306" . "2014-02-18"^^ . "10.1371/journal.pone.0088892" . . . "Zhang, Z-J" . "Wang, P" . . . . . "6a2386de99a966c8755732f196ba4c2cc0dda2f2" . "24558443" . "Selection of Suitable Reference Genes for Normalization of Quantitative Real-Time Polymerase Chain Reaction in Human Cartilage Endplate of the Lumbar Spine" . "24558443" . "Xia, J-F" . "PMC" .