Chen XG, Li J (2001). "Increasing the sensitivity of PCR detection in bovine preputial smegma spiked with Tritrichomonas foetus by the addition of agar and resin". Parasitology Research. 87 (7): 556–558. doi:10.1007/s004360100401. PMID11484853.
Chen XG, Li J (2001). "Increasing the sensitivity of PCR detection in bovine preputial smegma spiked with Tritrichomonas foetus by the addition of agar and resin". Parasitology Research. 87 (7): 556–558. doi:10.1007/s004360100401. PMID11484853.