Endothelium‐derived dopamine modulates EFS‐induced contractions of human umbilical vessels oleh José Britto‐Júnior, David H. A. Pinheiro, Alberto F. O. Justo, Guilherme M. Figueiredo Murari, Rafael Campos, Fernanda V. Mariano, Valéria B. deSouza, André A. Schenka, Fabiola Z. Mónica, Edson Antunes, Gilberto De Nucci