Autor:
Hussain, A
Kvale, Gunnar
Odland, M
Enlace original:
https://apps.who.int/iris/handle/10665/47447
Hussain, A
,
Kvale, Gunnar
,
Odland, M
,
[Diagnosis of night blindness and serum vitamin A level : a population-based study / A. Hussain, G. Kvale, & M. Odland]