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;

COVID-19 and myocardial injury: Targeting elevated biomarkers for potential novel therapies Pengyang Li; Qun Chen; Ion S. Jovin; Anit Mankad; Jose F. Huizar; John D. Markley; Bradley Bart; Brack Hattler; Edward Lesnefsky; Edward O. McFalls;