TY - RPRT TI - Ester-like groups in human dentine collagen. AU - M Harada AU - H Kuzuya AU - T Nagatsu PY - 1967 DO - 10.1016/0003-9969(67)90086-6 UR - https://pubmed.ncbi.nlm.nih.gov/5228614/ ID - 5228614 ER -