1Donald SM, Martin FR. Sight and life manual on vitamin A disorders [A~. Basel: Task Force Sight and Life [ M]. 2nd ed. Munich: Zuckschwerdt Publishers, 2001 : 87-97.
2Sommer A, Davifson FR, Accords A. Assessment and control of vitamin A deficiency: the Annency Accords [ J ]. J Nutr, 2002, 132(9) : 2845S.
4Benguigui Y. Magnitudy control de 1as IRA en funcioh de las metas de la cumbre mundial de la infancia. ( Magnitude and control of ARI according to the goals of the global summit on children) [A]. In: Benguigui Y, Lo'pez FJ, Schmunis G, eds. Infections respiratorias en nin bs. (Respiratory infections in children) [ n ]. Washington, DC, Organizacion Panamericana de la Salud/Organizacion Mundial de la Salud. HCT/AIEPI-1, 1999 : 2543.
5Tateya I, Tateya T, Surles RL, et al. Prenatal vitamin A deficiency causes laryngeal malformation in rats [ J ]. Ann Otol Rhinol Laryngol, 2007, 116(10) : 785-792.
6HaqR, Haiti M, Chytil F. Retinoie acid afects the expression of nuclear retinoie acid receptors in tissues of retinol-deficient rats [J]. Proc Nail Aeadsci USA, 1991, 88 (18) : 8272- 8276.
7McGowanSE, Harvey CS, Jackson SK. Retinoids, retinoie acid receptors, and cytoplasmic retinoid binding proteins in perinatal rat lungfibroblasts [J]. Am J Physiol, 1995, 269(4 Pt 1 ) : L463-472.
8Nabeyrat E, Besnard V, Corroyer S, et al. Retinoie aeidinducedproliferation of lung alveolar epithelial ceils: relation with the IGF system [J]. Am J Physiol, 1998, 275( 1 Pt 1 ) : L71-79.
9Mendelsohn C, Lohnes D, Decimo D, et al. Function of the retinoie acid receptors ( RARs ) during development ( II ). Multiple abnormalities at various stages of organogenesis in RAR double mutants [ J ]. Development, 1994, 120 (10) : 2749-2771.
10Chailey-Heu B, Chely N, Leliewe-Pegofier M, et al. Mild vitamin A deficiency delays fetal lung maturation in the rat [J]. Am J Respir Cell Mol Biol, 1999, 21(1) : 89-96.
6Jadad AR,Moore R A,Carroll D,et al.Assessing the quality of reports of randomized clinical trials:is blinding necessary[J].Control Clin Trials,1996,17(1):1-12.
7Si NV,Grytter C,Vy NN,et al.High dose vitamin A supplementation in the course of pneumonia in Vietnamese children[J].Acta Paediatr,1997,86(10):1052-1055.
8Stephensen CB,Franchi LM,Hernandez H,et al.Adverse effects of highdose vitamin A supplements in children hospitalized with pneumonia[J].Pediatrics,1998,101 (5):E3.
9Nacul LC,Kirkwood BR,Arthur P,et al.Randomised,double blind,placebo controlled clinical trial of efficacy of vitamin A treatment in non-measles childhood pneumonia[J].BMJ,1997,315(7107):505-510.
10Rodriguez A,Hamer DH,Rivera J,et al.Effects of moderate doses of vitamin A as an adjunct to the treatment of pneumonia in underweight and normal-weight children:a randomized,double-blind,placebocontrolled trial[J].Am J Clin Nutr,2005,82(5):1090-1096.