Impact of Gamma COVID-19 variant on the prognosis of hospitalized pregnant and postpartum women with cardiovascular disease Carolina Burgarelli Testa; Luciana Graziela de Godoi; Nátaly Adriana Jiménez Monroy; Maria Rita de Figueiredo Lemos Bortolotto; Agatha Sacramento Rodrigues; Rossana Pulcineli Vieira Francisco;

Intraoperative changes of surgical approach and a second surgery after percutaneous endoscopic surgery for lumbar spinal stenosis LianSong Lu; ZhenShan Yuan; HaoJie Li; ShaoHua Sun;

Surgical complications in the first and second semesters of the general surgery medical residence. A study of 14063 cases Bruno Henrique Alvarenga; Izabel Cristina Rios; Francisco de Salles Collet e Silva; Edivaldo Massazo Utiyama;