February 2022 JIAS Lyerly Ending the evidence gap for pregnancy, HIV and coinfections – ethics guidance from the PHASES project.Dec 2021 You are here Home Resource Library Prevention of Mother-to-Child Transmission Ending the Evidence Gap for Pregnancy, HIV and Co-infections: JIAS Lyerly Ending the evidence gap for pregnancy, HIV and coinfections – ethics guidance from the PHASES project.Dec 2021 Journal Article