@incollection{Nikolova19, author = {Silviya Nikolova and Diana Toneva and Ivan Georgiev and Nikolai Lazarov}, title = {Relation between Metopic Suture Persistence and Frontal Sinus Development}, booktitle = {Challenging Issues on Paranasal Sinuses}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {Tang-Chuan Wang}, chapter = {1}, doi = {10.5772/intechopen.79376}, url = {https://doi.org/10.5772/intechopen.79376} }