@article{abrahão_martins_katayama_antoniazzi_segmentilli_marques_2006,  title={Collagen analysis in human tooth germ papillae},  volume={17},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402006000300006},  DOI={10.1590/S0103-64402006000300006},  number={3},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Abrahão, Ivete Jorge and Martins, Manoela Domingues and Katayama, Emílio and Antoniazzi, João Humberto and Segmentilli, Angelo and Marques, Márcia Martins},  year={2006},  pages={208–212} }