TY - RPRT TI - Increases of calcium and magnesium and decrease of iron in human posterior longitudinal ligaments of the cervical spine with aging. AU - Masako Utsumi AU - Cho Azuma AU - Setsuko Tohno AU - Yoshiyuki Tohno AU - Yumi Moriwake AU - Takeshi Minami AU - Masa-Oki Yamada PY - 2005 DO - 10.1385/bter:103:3:217 UR - https://pubmed.ncbi.nlm.nih.gov/15784955/ ID - 15784955 ER -