TY - JOUR T1 - An optimized culture system for notochordal cell expansion with retention of phenotype JO - JOR SPINE UR - https://doi.org/10.1002/jsp2.1028 PY - 2018/07/26 AU - Humphreys MD AU - Ward L AU - Richardson SM AU - Hoyland JA ED - DO - DOI: 10.1002/jsp2.1028 PB - Wiley VL - 1 IS - 3 Y2 - 2026/09/23 ER -