Ligand changes in ferric species of the giant extracellular hemoglobin of Glossoscolex paulistus as function of pH: correlations between redox, spectroscopic and oligomeric properties and general implications with different hemoproteins - Moreira, Leonardo Marmo; Poli, Alessandra Lima; Lyon, Juliana Pereira; Aimbire, Flávio; Toledo Júnior, José Carlos; Costa Filho, Antonio José da; Imasato, Hidetake (Journal of Porphyrins and Phthalocyanines, 2010)