bibliographicCitation |
Griffith JF, Wang YX, Antonio GE, Choi KC, Yu A, Ahuja AT, Leung PC. Modified Pfirrmann grading system for lumbar intervertebral disc degeneration. Spine (Phila Pa 1976). 2007 Nov 15;32(24):E708–12. doi: 10.1097/brs.0b013e31815a59a0. PMID: 18007231. |