RT Journal Article SR Electronic T1 Incidence of SARS-CoV-2 vertical transmission: a meta-analysis JF Archives of Disease in Childhood - Fetal and Neonatal Edition JO Arch Dis Child Fetal Neonatal Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 112 OP 113 DO 10.1136/archdischild-2020-319791 VO 106 IS 1 A1 Xin Lei Goh A1 Yi Fen Low A1 Cheng Han Ng A1 Zubair Amin A1 Yvonne Peng Mei Ng YR 2021 UL http://fn.bmj.com/content/106/1/112.abstract AB