Vaega 1 o le 4. Ponokalafi faʻatosina erectile faʻaleagaina (PIED): Malamalama i le lautele, saienisi, ma togafitiga. Lafoai e Dr. Tarek Pacha i le American Urologic Association i San Diego 2016.
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- O loʻo faʻaauau pea le ata i totonu VAEGA LUA, VAEGA TOLU ma VAEGA IV