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Zhang Q, Chen Y, Wu Z, Ma Q, Zeng R, Guo X, Li D.Zhang Q, et al. Among authors: chen y.Yan Ke Xue Bao. 1992 Sep;8(3):117-21.Yan Ke Xue Bao. 1992.PMID: 1303868
Guo X, Mao W, Chen Y, Ma Q, Zeng L, Luo T.Guo X, et al. Among authors: chen y.Yan Ke Xue Bao. 1991 Dec;7(4):185-9.Yan Ke Xue Bao. 1991.PMID: 1844074Chinese.
Ma QY, Zeng LH, Chen YH, Wu DZ, Dai ZY.Ma QY, et al. Among authors: chen yh.Yan Ke Xue Bao. 1988 Jun;4(2):84-9.Yan Ke Xue Bao. 1988.PMID: 3240817Chinese.No abstract available.
Mao W, Zeng L, Ma Q, Chen Y, Dai Z, Tang P, Guo X, Li D, Su W.Mao W, et al. Among authors: chen y.Yan Ke Xue Bao. 1990 Dec;6(3-4):88-90.Yan Ke Xue Bao. 1990.PMID: 2289582Chinese.