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[Perinatal prevalence of HBsHg: preliminary results of a pilot study]. / Prevalencia perinatal del AgsHB: resultados preliminares de un estudio piloto.

Agüero, L; Salvatierra, C A; Perozo-Ruggeri, G; Colmenares, C; Römer, H.

G E N ; 45(4): 270-2, 1991.

Article in Spanish | MEDLINE | ID: mdl-1843959

ABSTRACT

Hepatitis B surface antigen was determined by EIA in the serum of 284 women at the end of their pregnancy. They belonged to the lower socio-economical status of the cities of Caracas and Valencia in Venezuela. In Caracas (Petare) all were negative, in Valencia, 5 of 150 (3.3%) resulted positive.

Subject(s)

Hepatitis B Surface Antigens/analysis , Hepatitis B/epidemiology , Pregnancy Complications, Infectious/epidemiology , Enzyme-Linked Immunosorbent Assay , Female , Humans , Infant, Newborn , Pilot Projects , Pregnancy , Prevalence , Prospective Studies , Random Allocation

[Comparative study of various methods in the diagnosis of cholestasis in infants]. / Estudio comparativo de diversos métodos en el diagnóstico de la colestasis en el lactante.

Römer, H; Niño, E M; Moreno, E S; Salvatierra, C A; Vegas, M E; Gómez-Rodríguez, G; Ruggieri-Perozo, G; Torres, P.

G E N ; 42(1): 1-6, 1988.

Article in Spanish | MEDLINE | ID: mdl-3152426

Subject(s)

Cholestasis, Extrahepatic/diagnosis , Cholestasis, Intrahepatic/diagnosis , Biopsy, Needle , Diagnosis, Differential , Female , Humans , Infant , Male , Ultrasonography

[Usefulness of ultrasound in the diagnosis of congenital hypertrophic pyloric stenosis]. / Utilidad del ultrasonido en el diagnóstico de la estenosis pilórica hipertrófica congénita.

Moreno, E S; Ortega, C; Salvatierra, C A; Montilla-González, Z; Römer, H.

G E N ; 41(4): 138-42, 1987.

Article in Spanish | MEDLINE | ID: mdl-3151890

Subject(s)

Pyloric Stenosis/congenital , Female , Humans , Hypertrophy , Infant , Infant, Newborn , Male , Pyloric Stenosis/diagnosis , Pylorus/pathology , Ultrasonography

ABSTRACT

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