red beds, conglomerates and salt were considered azoic and problematic rocks, but paleopalynology and inorganic geochemistry proved to be useful for placing them in time and space. in the early last century, in mexican ne region, only three mesozoic red bed units were differentiated, dated as late triassic to late jurassic. it was important tratigraphically to place them properly as they were c...

conclusions the seroprevalence of hev infection found in rural durango is higher than those reported in other mexican populations. consumption of untreated water is an important factor for hev exposure in rural areas in durango. the correlates of hev seropositivity found in the present study can be used for an optimal planning of preventive measures against hev infection. results one hundred (3...

a Surgeon specialising in Epidemiology and Professor of Hospital Administration and Public Health, Epidemiological Surveillance Management, Mexican Social Security Institute, Mexico City, Mexico b Surgeon specialising in Epidemiology, Epidemiological Surveillance Management, Mexican Social Security Institute, Mexico City, Mexico c Surgeon specialising in Epidemiology and Professor of Public Hea...

1 Servicio de Gastrocirugía del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social (IMSS), Mexico, D.F., Mexico 2 Departamento de Ciencias de la Salud, Universidad Autónoma Metropolitana, Unidad Iztapalapa, Mexico, D.F., Mexico 3 Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico, D.F., Mexico 4 Unidad de I...

M. Martinez-Ramon, V. Koltchinskii, G. L. Heileman, S. Posse MIND Institute, University of New Mexico, Albuquerque, New Mexico, United States, Mathametics & Statistics, University of New Mexico, Albuquerque, New Mexico, United States, Electrical & Computer Engineering, University of New Mexico, Albuquerque, New Mexico, United States, Psychiatry, University of New Mexico, Albuquerque, NM, United...

this paper investigates the impact of oil revenues on the output of economic sectors in some of oil exporting countries including iran, venezuela and mexico. we use cointegration analysis as well as short run and long run granger casualties' tests. the results show that in the long run, an oil boom leads to expansion of service sector, in these countries. also, the impacts of oil revenues ...

— New synonymies and new combinations affecting North American Pityophthorus are proposed as follows: carinifrons Blandford. incomposilus Blaiidford, and incornmodus Blandford are removed from Pi/rop/ithorus and placed in Araplus; P. boycei Swaine {=Myeloborus catulus Blackman and M. iniquus Blackman) ; P. lautus Eichhoff = P. rhois Swaine and P. natalis Blackman) ; P. californicus new name for...

a Specialist in Anatomical Pathology, High Speciality Postgraduate in Nephrology of Hospital General de México ‘‘Dr. Eduardo Liceaga’’, Mexico City, Mexico b Specialist in Anatomical Pathology, Surgical Pathology Department of Hospital General de México ‘‘Dr. Eduardo Liceaga’’, Mexico City, Mexico c Surgical Pathology Department of Instituto Nacional de Cardiología ‘‘Ignacio Chávez’’, Mexico Ci...

swine flu is a new emerging infectious disease originating in mexico . this novel influenza is the present pandemic disease of the world. in this brief paper, the author discusses on conjunctivitis and other eye manifestations in swine flu.   iranian journal of ophthalmology 200921(3):3-4 © 2009 by the iranian society of ophthalmology

A. Graff-Guerrero, J. Ortega-Legaspi, C. De la Fuente-Sandoval, F. Pellicer, D. López, A. Moreno, R. Martín, S. Solis, S. Hidalgo, and A. O. Rodriguez Instituto de Neurobiologia, Universidad Nacional Autonoma de Mexico, Mexico, DF, Mexico, PET Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada, Laboratorio de Neurofisiología Integrativa, Instituto Nacional de Psiquiatria R...