LaScolea L S, Ambrus C M, Ambrus J L
J Med. 1984;15(5-6):437-40.
Legionella pneumophilia Philadelphia 1 and Knoxville 1 were examined by in vitro hemagglutination and dermal hypersensitivity reactions in guinea pigs for the presence of the enterobacterial common antigen. No ECA was found and no cross reactivity was demonstrated between ECA and the proteinaceous cross reacting antigen.