Abellan-Pose, Raquel, et al. «Biodistribution of radiolabeled polyglutamic acid and PEG-polyglutamic acid nanocapsules». European Journal of Pharmaceutics and Biopharmaceutics, vol. 112, 2017, pp. 155-163, https://doi.org/10.1016/J.EJPB.2016.11.015.