Olee otú ise siga si emetụta anya gị?

Mmetụta nke ise siga na anya gị na ọhụụ nwere ike ịdị ịrịba ama. Ị maara na ịṅụ sịga na-ese siga ma ọ bụ na-eme ka sịga na-ese ụtaba nwere ike imebi ahụ ike gị, ma ọ pụkwara ime ka ohere gị maka ịmepụta ọtụtụ ọrịa anya na ọrịa, gụnyere ndị a:

Isi mmalite:

Alexander, Larry J. Primary Care of the Post, Second Edition. Appleton & Lange, 1994.

National Eye Institute, National Institute of Health. Eziokwu Banyere Mmekorita Macular Degeneration. Mee, 2010.