Finlay, Jocelyn E., Melanie K. Norton, and Iván Mejía- Guevara. 2017. “Adolescent Fertility and Child Health: The Interaction of Maternal Age, Parity and Birth Intervals in Determining Child Health Outcomes”. International Journal of Child Health and Nutrition 6 (1):16-33. https://doi.org/10.6000/1929-4247.2017.06.01.2.