Cruz, Artur Silva, Joaquim Silva Neves, José Cano, Maria Paula Arteaga, Cíntia Siqueira, Maria Helena Franco, and Manuel Pires Bicho. 1995. “Erythrocytic Enzymatic Systems and Their Antioxidative Potential in Pregnant Women Undergoing Labor Induction With Intracervical PGE2”. Acta Médica Portuguesa 8 (7-8). Lisbon, Portugal:415-8. https://doi.org/10.20344/amp.2728.