Secondary healing strategy for difficult wound closure in invasive vulvar cancer: a pilot case-control study - Dias-Junior, Altamiro Ribeiro; Soares Júnior, José Maria; Faria, Maria Beatriz Sartor de; Genta, Maria Luiza Noqueira Dias; Carvalho, Jesus Paula; Baracat, Edmund Chada (Clinics, 2019)