by YANG, H. H, WU, C. G, WANG, W. Y, WANG, X. C, QIN, M, WANG, J. H, TANG, H. A, JIANG, X. M, LI, Y. H, WANG, M. L, ZHANG, S. L, LI, G. L, XIE, G. Z, GU, Q. W, WANG, B. R, WANG, L. Y, WANG, H. F, DING, Z. S, YANG, Y, TAN, W. S
Published in Bulletin of the World Health Organization (01.07.2001)

by Yu, F, Fan, S, Fan, X, Dong, P, Wang, X, Chen, Y, Li, J
Published in European journal of clinical microbiology & infectious diseases (2011)

by Taiwo, S S, Fadiora, S O, Oparinde, D P, Olowe, O A
Published in West African journal of medicine (01.04.2007)

by Dizer, Ufuk, Görenek, Levent, Güner, Özgür, Pehlivan, Tamer, Özgüven, Volkan, Pahsa, Alaaddin
Published in Vaccine (19.08.2002)

by Wolday, Dawit, Seyoum, Berhane
Published in Tropical medicine & international health (01.12.1997)