Importance of protein S deficiency diagnosis in pre-conceptional period and during pregnancy – Portuguese experience in a tertiary hospital. (November 2016) - Rodrigues, Angela; Pedrosa, Sofia; Mendes, Maria; Fonseca, Manuel; Fonseca, Maria João; Barata, Carlos; Marques, Inês; Salvado, Jamon; Almeida, Maia Céu