Feng, A L <br/><br/>
[Relation between the level of serum vitamin A and visual function].  [electronic resource] 

 -  Zhonghua yi xue za zhi  Dec 1985 
 - 743-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0376-2491 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Child<br/>Child, Preschool<br/>Dark Adaptation<br/>Female<br/>Humans<br/>Infant, Newborn<br/>Male<br/>Middle Aged<br/>Optic Disk--pathology<br/>Pregnancy<br/>Vision, Ocular--physiology<br/>Vitamin A--blood<br/>Vitamin A Deficiency--blood