Cloning and expression of the <i>porA</i> gene of the <i>Neisseria meningitidis</i> strain B : 4 : P1.15 in <i>Escherichia coli</i>. Preliminary characterization of the recombinant polypeptideGerardo Guillén, Luís Herrera, Olivia Niebla et al.|Acta Biotechnologica|1996Cited by 3