YANTIH N, WIDIANINGSIH E, SURATI S, ASNAYANTI A, . Optimisation and validation of end-point PCR for the detection of porcine DNA in anti-ageing cream products containing collagen. Marmara Pharm. J 2019; 0(E-PUB): 091-102. http://dx.doi.org/10.29228/jrp.2022.00