MINIREVIEWS

1. Standardization of critical care management of non-critically ill patients with COVID-19
2. Mediastinal lymphadenopathy in COVID-19: A review of literature
3. Polycystic ovary syndrome: Pathways and mechanisms for possible increased susceptibility to COVID-19

ORIGINAL ARTICLE

1. Circulating tumor cells with epithelial-mesenchymal transition markers as potential biomarkers for the diagnosis of lung cancer
2. Management and implementation strategies of pre-screening triage in children during coronavirus disease 2019 pandemic in Guangzhou, China
3. Clinicopathological features of superficial CD34-positive fibroblastic tumor
4. Application of a rapid exchange extension catheter technique in type B2/C nonocclusive coronary intervention via a transradial approach

SYSTEMATIC REVIEWS

1. Paradoxical relationship between proton pump inhibitors and COVID-19: A systematic review and meta-analysis

META-ANALYSIS

1. Predictive risk factors for recollapse of cemented vertebrae after percutaneous vertebroplasty: A meta-analysis

CASE REPORT

1. Malignant pheochromocytoma with cerebral and skull metastasis: A case report and literature review
2. Unresectable esophageal cancer treated with multiple chemotherapies in combination with chemoradiotherapy: A case report
3. Role of positron emission tomography in primary carcinoma ex pleomorphic adenoma of the bronchus: A case report
4. Positive reverse transcription-polymerase chain reaction assay results in patients recovered from COVID-19: Report of two cases
5. Laryngeal myxoma: A case report
6. Prostate stromal tumor with prostatic cysts after transurethral resection of the prostate: A case report
7. Intramuscular hematoma in rhabdomyolysis patients treated with low-molecular-weight heparin: Report of two cases
8. Partial response to Chinese patent medicine Kangliu pill for adult glioblastoma: A case report and review of the literature
9. Behcet’s disease manifesting as esophageal variceal bleeding: A case report
10. Successful endoscopic surgery for emphysematous pyelonephritis in a non-diabetic patient with autosomal dominant polycystic kidney disease: A case report
11. Robotically assisted removal of pelvic splenosis fifty-six years after splenectomy: A case report
12. Pulmonary alveolar proteinosis complicated with nocardiosis: A case report and review of the literature
13. Detection of EGFR-SEPT14 fusion in cell-free DNA of a patient with advanced gastric cancer: A case report
14. Timing of convalescent plasma therapy-tips from curing a 100-yearold COVID-19 patient using convalescent plasma treatment: A case report
15. Torsades de pointes episode in a woman with high-grade fever and inflammatory activation: A case report
16. Salivary duct carcinoma of the submandibular gland presenting a diagnostic challenge: A case report
17. Allogeneic hematopoietic stem cell transplantation in a 3-year-old boy with congenital pyruvate kinase deficiency: A case report
18. Congenital bilateral cryptorchidism in an infant conceived after maternal breast cancer treatment: A case report
19. Sclerosing polycystic adenosis of the submandibular gland: Two case reports
20. Budd-Chiari syndrome associated with liver cirrhosis: A case report
21. Separated root tip formation associated with a fractured tubercle of dens evaginatus: A case report