Keel, S., & Cieza, A. (2021). Rising to the challenge: Estimates of the magnitude and causes of vision impairment and blindness. Lancet Glob Health.
Citação norma ChicagoKeel, Stuart, and Alarcos Cieza. "Rising to the Challenge: Estimates of the Magnitude and Causes of Vision Impairment and Blindness." Lancet Glob Health 2021.
MLA CitationKeel, Stuart, and Alarcos Cieza. "Rising to the Challenge: Estimates of the Magnitude and Causes of Vision Impairment and Blindness." Lancet Glob Health 2021.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.