Inhibition of HIV-1 protease: the rigidity perspective, J. W. Heal, J. E. Jimenez-Roldan, S. A. Wells, R. B. Freedman and R. A. Römer, Bioinformatics, 28 (3), 350-357.

Rigidity analysis of HIV-1 protease, J. W. Heal, J. E. Jimenez-Roldan, S. A. Wells, R. B. Freedman and R. A. Römer, Journal of Physics: Conference Series, 286 012006.