Fig. 5. Bar graph of frontal sinus patterns distribution between age groups, group I (n=82), group II (n=79), group III (n=83), group IV (n=82), and group V (n=83). Age range: group I, 20–29 yr; group II, 30–39 yr; group III, 40–49 yr; group IV, 50–59 yr; group V, 60–69 yr.

Anat Cell Biol 2022;55:294~303 https://doi.org/10.5115/acb.22.075

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