Festila, Dana, Mircea Ghergie, Alexandrina Muntean, Daiana Matiz, and Alin Şerbanescu. 2014. “Suckling and Non-Nutritive Sucking Habit: What Should We Know?”. Medicine and Pharmacy Reports 87 (1), 11-14. https://doi.org/10.15386/cjm.2014.8872.871.df1mg2.