The effectiveness of ultrasound-guided core needle biopsy in detecting lymph node metastases in the axilla in patients with breast cancer: systematic review and meta-analysis Qi Xu; Jiale Wang; Jing Wang; Runzhao Guo; Yao Qian; Feng Liu;

Diagnostic performance of microRNA-29a in active pulmonary tuberculosis: a systematic review and meta-analysis Xiaoying Li; Yuehong Xu; Pu Liao;

Seroprevalence of SARS-CoV-2 in Brazil: A systematic review and meta-analysis Gerusa Maria Figueiredo; Fátima Mitiko Tengan; Sergio Roberto Campos; Expedito José Luna;