@article{articleecc21c2b, title = {Evaluation of the polymorphic forms of ritonavir and lopinavir in raw materials and co-milled systems}, author = {Pinheiro, Lucas Barboza Moreira and Tao, Songsheng and Culbertson, Elizabeth and Araujo, Gabriel Lima Barros de and Billinge, Simon J. L and Ferreira, Fabio Furlan}, year = {2022}, doi = {10.1016/j.ijpharm.2022.122329}, journal = {International Journal of Pharmaceutics} }