APA citiranje

Xiang, Z., Censini, S., Bayeli, P. F., Telford, J. L., Figura, N., Rappuoli, R., & Covacci, A. (1995). Analysis of expression of CagA and VacA virulence factors in 43 strains of Helicobacter pylori reveals that clinical isolates can be divided into two major types and that CagA is not necessary for expression of the vacuolating cytotoxin.

Citação norma Chicago

Xiang, Z., S. Censini, P F. Bayeli, J L. Telford, N. Figura, R. Rappuoli, and A. Covacci. Analysis of Expression of CagA and VacA Virulence Factors in 43 Strains of Helicobacter Pylori Reveals That Clinical Isolates Can Be Divided Into Two Major Types and That CagA Is Not Necessary for Expression of the Vacuolating Cytotoxin. 1995.

MLA citiranje

Xiang, Z., et al. Analysis of Expression of CagA and VacA Virulence Factors in 43 Strains of Helicobacter Pylori Reveals That Clinical Isolates Can Be Divided Into Two Major Types and That CagA Is Not Necessary for Expression of the Vacuolating Cytotoxin. 1995.