2Elmer-GW.Probiotics:"Livingdrugs"[J].Am J Health Syst Pharm,2001,58(12):1 101-1 109.
3Collop AH,Broomfield JA,Chandraratna RA,et al.Retinoic-acid signaling is essential for formation of the heart tubl in Xenopus[J].Dev Biol,2006,291(1):96.
4Salazar-LindoE,Santisteban-Ponce,Chea-WooE,et al.Racecadotfil in the treatment of watery diarrhea in children[J].N Earl J Med,2000,343:463-467.