D. RAHMAT, L. NURHIDAYATI, M. MARCELLA, R. SUMARNY, and D. R. LAKSMITAWATI, “IN VITRO ANTI-PLATELET AGGREGATION ACTIVITY OF HYDROXYPROPYL CELLULOSE–CYSTEAMINE BASED NANOPARTICLES CONTAINING CRUDE BROMELAIN”, Int J App Pharm, vol. 12, no. 3, pp. 95–98, May 2020.