@article{gurav_2014, title={Alzheimer's disease and periodontitis - an elusive
               link}, volume={60}, ISSN={0104-4230}, url={https://doi.org/10.1590/1806-9282.60.02.015}, DOI={10.1590/1806-9282.60.02.015}, number={2}, journal={Revista da Associação Médica Brasileira}, publisher={Associação Médica Brasileira}, author={Gurav, Abhijit N.}, year={2014}, pages={173–180} }