http://thesaurus.bhlscielo.org/vocab/pthttp://thesaurus.bhlscielo.org/vocab/pt?tema=2391Spirochaetales http://thesaurus.bhlscielo.org/vocab/pt?tema=2391 Spirochaetes BT http://thesaurus.bhlscielo.org/vocab/pt?tema=2391 Spirochaetaceae NT http://thesaurus.bhlscielo.org/vocab/pt?tema=2391 Leptospiraceae NT http://thesaurus.bhlscielo.org/vocab/pt?tema=2391 Brachyspiraceae NT