ANALYSIS OF VACA DIVERSITY AMONG HELICOBACTER-PYLORI ISOLATES FROM SOUTH-AFRICA - LACK OF STRAINS WITH THE PATHOGENIC VACA S1A GENOTYPE ANDDISCOVERY OF A VACA S2 M1 ALLELE/
Dp. Letley et al., ANALYSIS OF VACA DIVERSITY AMONG HELICOBACTER-PYLORI ISOLATES FROM SOUTH-AFRICA - LACK OF STRAINS WITH THE PATHOGENIC VACA S1A GENOTYPE ANDDISCOVERY OF A VACA S2 M1 ALLELE/, Gastroenterology, 114(4), 1998, pp. 824-824