Hartu hau. : Public health and epidemiology at a glance [electronic resource] / Margaret Somerville, K. Kumaran, Rob Anderson.

Izenburua : Public health and epidemiology at a glance [electronic resource] / Margaret Somerville, K. Kumaran, Rob Anderson.

Sailkapena : Ez dago telefono-zenbakirik.

Egoera : Ezezaguna