“MRI Study of the Psoas Major Muscle and Its Attachments to the Lumbar Intervertebral Discs: Can a Partial or Absent Attachment of the Psoas to the Disc Trigger Herniation of the Disc?”. 2017. Global Journal of Medical Research 17 (D1): 1-6. https://medicalresearchjournal.org/index.php/GJMR/article/view/1286.