Article Citation
Zhao YL, Meng ZD, Xu ZY, Guo JJ, Chai SA, Duo CG, Wang XY, Yao JF, Liu HB, Qi SX, Zhu HB. H2 strain attenuated live hepatitis A vaccines: Protective efficacy in a hepatitis A outbreak. World J Gastroenterol 2000; 6(6): 829-832 [PMID: 11819704 DOI: 10.3748/wjg.v6.i6.829]
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