Pereira, Margarida, C.  Samorinha, E.  Alves, H.  Machado, M.  Amorim, and S.  Silva. ?Patients' Views On The Embryo Storage Time Limits?. Reproductive Biomedicine Online 31, no. 2. Reproductive Biomedicine Online  (2015): 232-238. doi:https://doi.org/10.1016/j.rbmo.2015.04.015.

Mota, J., R.  Santos, Margarida  Pereira, L.  Teixeira, and M.  Santos. ?Perceived Neighbourhood Environmental Characteristics And Physical Activity According To Socioeconomic Status In Adolescent Girls?. Annals Of Human Biology 38, no. 1. Annals Of Human Biology  (2011): 1-6. doi:https://doi.org/10.3109/03014460.2010.486769.