Vertical transmission of hepatitis B virus in the WHO African region: a systematic review and meta-analysis.

Riches N, Henrion MYR, MacPherson P, Hahn C, Kachala R, Mitchell T, Murray D, Mzumara W, Nkoka O, Price AJ, Riches J, Seery A, Thom N, Loarec A, Lemoine M, Ndow G, Shimakawa Y, Thompson P, Morgan C, Desai S, Easterbrook P, Stockdale AJ,