@misc{indiciaee9d4caae442b, title = {Maturation in developing permanent porcine enamel.}, author = {J Kirkham and C Robinson and J A Weatherell and A Richards and O Fejerskov and K Josephsen}, year = {1988}, doi = {10.1177/00220345880670090301}, url = {https://pubmed.ncbi.nlm.nih.gov/3165998/}, note = {Source identifier: 3165998} }