参考文献

AVRA LABORATORIES PRIVATE LIMITED; ALLA, Rama Rao Venkata; RAMARAO, Chandrashekar; MICHEL, Patrick Thomas; NITLIKAR, Lakshmikant Hanumanthrao; KALAM, Bhupathi Reddy; DUDUKA, Ramprasad Patent: WO2013/164856 A1, 2013 ; Location in patent: Page/Page column 23 ;