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Ma, Ying, Shun-Quan Lin, Yi Gao, Mei Li, Wen-Xin Luo, Jun Zhang, e Ning-Shao Xia. "Expression of ORF2 Partial Gene of Hepatitis E Virus in Tomatoes and Immunoactivity of Expression Products." World J Gastroenterol 2003.

Ma, Ying, et al. "Expression of ORF2 Partial Gene of Hepatitis E Virus in Tomatoes and Immunoactivity of Expression Products." World J Gastroenterol 2003.