Introduction: Complications of caustic ingestion swallowing in children of singe to gullet severe  stricture and andoscopic actions and multiple surgeries Is different that increase the risk of gastrointestinal perforation and gastrointestinal malignancies ..... Because Acid substances have  bad taste and these are tissue coalescence in location of contact thus attribute alkali make lose of ...

Este nuevo número de Comunicación y Medios inaugura una nueva etapa en su historia con la aceptación Elsevier para integrar prestigiosa base datos Scopus. Como equipo editorial este logro significa un reconocimiento a calidad nuestros artículos, así como también al trabajo que dedicamos edición completa cada número. Más allá los cuestionamientos legítimos mecanismos indexación indicadores estan...

1. Thompson JS, Malamy MH. Sequencing the gene for an imipenem-cefoxitin hydrolyzing enzyme (CfiA) from Bacteroides fragilis TAL 2480 reveals strong similarity between CfiA and Bacillus cereus b-lactamase II. J Bacteriol 1990; 172: 2584–93. 2. Edwards R, Read PN. Expression of the carbapenemase gene (cfiA) in Bacteroides fragilis. J Antimicrob Chemother 2000; 46: 1009–12. 3. Andrews JM. Determi...

In a study of surface branched coverings, one can ask naturally: In how many different ways can a given surface be a branched covering of another given surface? This problem was studied by many authors in Quart. J. Math. Oxford Ser. 2 46 (1995) 485, Math. Scand. 84 (1999) 23, Discrete Math. 156 (1996) 141, Discrete Math. 183 (1998) 193, Discrete Math. (in press), European J. Combin. 22 (2001) 1...

Kornberg, H. L. (1973~) Proc. R. SOC. London Ser. B, 183, 105-123 Kornberg, H. L. (19736) Symp. SOC. Exp. Biol. 27, 175-193 Kornberg, H. L. & Jones-Mortimer, M. C. (1975) FEBS Lett. 51, 1-4 Kornberg, H. L. & Reeves, R. E. (1972~) Biochem. J. 125,1241-1243 Kornberg, H. L. & Reeves, R. E. (19726) Biochem. J. 128,1339-1344 Kornberg, H. L. & Smith, J. (1970) Nature (London) 227,44-46 Kornberg, H. L...

Albert, A. (1952). Biochem. J. 50, 690. Alexander, N. M. (1957). J. biol. Chem. 227, 975. Bhuvaneswaran, C., Rege, D. V. & Sreenivasan, A. (1961). Proc. Symposium on Proteins, p. 90. Mysore, India: Chemical Research Committee and Society of Biological Chemists. Boeri, E. & Bonnichsen, R. K. (1952). Acta chem. scand. 6, 968. Chance, B. (1950). Biochem. J. 46, 387. Chantrenne, H. (1954). Biochim....