Introduction of new vaccines for immunization in pregnancy – Programmatic, regulatory, safety and ethical considerations. Sonali Kochhar, Kathryn M.Edwards, Alba Maria Ropero Alvarez, Pedro L.Moro, Justin R.Ortiz. Vaccine 2019,  https://doi.org/10.1016/j.vaccine.2019.04.075; https://www.sciencedirect.com/science/article/pii/S0264410X19305638

Pregnant women & vaccines against emerging epidemic threats: Ethics guidance for preparedness, research, and response. Carleigh B. Krubiner, Ruth R.Faden, Ruth A.Karron, Margaret O.Little, Anne D.Lyerly,Jon S.Abramson, Richard H.Beigi, Alejandro R.Cravioto, Anna P.Durbin, Bruce G.Gellin, Swati B.Guptai, David C.Kaslow, Sonali Kochhar, Florencia Luna, Carla Saenz Jeanne S.Sheffield, Paulina O. Tindana. Vaccine 2019, https://doi.org/10.1016/j.vaccine.2019.01.011. https://www.sciencedirect.com/science/article/pii/S0264410X19300453?via%3Dihu