title: Obstacles to progress in science: à la recherche des faits perdus.
authors: D H
authors: DH
authors: Birkenhäger-Frenkel
authors: J C
authors: JC
authors: Birkenhäger
mesh_terms: D001842:Bone and Bones / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism; D003094:Collagen / Q000378:metabolism; D006801:Humans; D008903:Minerals / Q000378:metabolism*; D010011:Osteocytes / Q000378:metabolism
chemical_list: D008903:Minerals; D003094:Collagen; D002118:Calcium