Highly sulfated dermatan sulfates from ascidians: structure versus anticoagulant activity of these glycosaminoglycans - Pavão, MSG; Aiello, KRM; Werneck, CC; da Silva, LCF; Valente, AP; Mulloy, B; Clowell, NS; Tollefsen, DM; Mourão, PAS (J Biol Chem, 1998)