PMC:7589163 / 14000-14452 9 Projects
Annnotations
| Id | Subject | Object | Predicate | Lexical cue |
|---|---|---|---|---|
| T102 | 0-452 | Sentence | denotes | Moreover, although it has been reported that there is a significant association between low serum concentration of retinol and acute lower respiratory tract infections [36], several studies in children, particularly regarding the role of vitamin A for treatment of respiratory syncytial virus infection [37,38,39], have shown that vitamin A supplementation is not effective in reducing the incidence of lower respiratory tract infections [40,41,42,43]. |