Figueiras E., Soto A. M., Jesus D., Lehti M., Koivisto J., Parraga J. E., Silva-Correia J., Oliveira J. M., Reis R. L., Kellomäki M., and Hyttinen J.,  "Optical Projection Tomography as a tool for 3D image tissue engineered products based in hydrogels",  Biomedical Optics Express, vol. 5, issue 10, pp. 3443?3449, doi:10.1364/BOE.5.003443, 2014.