ROSA, F.; CEDEÑO, J.; LEÓN, L.; ESTRADA, O.; ROMERO-VECCHIONE, E.; VÁSQUEZ, J.; ANTEQUERA, R. Cardiovascular excitatory effect on rats of a fraction isolated from the eyestalk of shrimp: Peneaus vanameii. Investigación Clínica, v. 49, n. 2, 23 jul. 2009.