Herniated nucleus pulposus http://www.nlm.nih.gov/medlineplus/ency/article/000442.htm disc herniation slipped disks Herniated disk HNP herniated disk http://www.nlm.nih.gov/medlineplus/ency/article/000442.htm slipped disks Herniated disk herniated disk MedlinePlus.com: Hernia de disco Herniated nucleus pulposus herniated/ bulging disks Herniated nucleus pulposus middle-aged and older men https://www.nlm.nih.gov/medlineplus/ency/article/000442.htm Herniated nucleus pulposus Herniated nucleus pulposus disc herniation slipped disks disc herniation Herniated nucleus pulposus slipped disks herniated disk herniated disc Herniated nucleus pulposus Lumbar Radiculopathy MedlinePlus.com: Hernia de disco herniated/ bulging disks Herniated nucleus pulposus Herniated nucleus pulposus herniated disc slipped disks Herniated nucleus pulposus (slipped disk) MedlinePlus: Hernia de disco slipped disks MedlinePlus: Hernia de disco Herniated disk slipped disks herniated disk Medline Plus: Herniated Disc Herniated disk herniated disk