Crespo, 2005, Functional significance of bronchial sphincters in two Southwestern Atlantic dolphins: Pontoporia blainvillei and Lagenorthynchus obscuus: a comparative approach.
Reference
Crespo, F. A.
Functional significance of bronchial sphincters in two Southwestern Atlantic dolphins: Pontoporia blainvillei and Lagenorthynchus obscuus: a comparative approach.. Mammalia, 69(2): 233-238. (2005).

