Cost-effectiveness of dual maternal HIV and syphilis testing strategies in high and low HIV prevalence countries: a modelling study oleh Patricia J Rodriguez, MPH, D Allen Roberts, MPH, Julianne Meisner, BVM&S, Monisha Sharma, PhD, Morkor Newman Owiredu, MBChB, Bertha Gomez, MD, Maeve B Mello, PhD, Alexey Bobrik, MD, Arkadii Vodianyk, MD, Andrew Storey, MBA, George Githuka, MBChB, Thato Chidarikire, PhD, Ruanne Barnabas, DPhil, Magdalena Barr-Dichiara, MPH, Muhammad S Jamil, PhD, Rachel Baggaley, MBBS, Cheryl Johnson, MA, Melanie M Taylor, MD, Alison L Drake, PhD