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One hundred and ninety serum samples, mainly from children and teenagers, from northeast Bali were tested for the presence of antibodies against five zoonotic agents: Brucella abortus, Coxiella burnetii, Toxoplasma gondii, Toxocara canis and Trichinella spiralis. All children were negative for brucellosis and Q fever. A high prevalence rate was found for(More)
Parathyroid function was assessed by calcium infusions (4-8 h) in 16 patients with chronic renal insufficiency being treated by long-term hemodialysis. The concentrations of two immunoreactive species of parathyroid hormone in plasma (iPTH-9, mol wt 9500; iPTH-7, mol wt 7000) were estimated by radioimmunoassays utilizing two relatively specific antisera.(More)
To extend information on the current distribution and frequency of parasitic infections in Egypt, one stool and one urine specimen from 2945 children, aged 6 to 12 years old were examined. The children were from 10 schools, one in Cairo, 2 in Giza Governorate, and 7 in the Nile delata. Frequency rates for S. mansoni by school were 0.3% in Cairo, 8-15% in(More)
Seromarkers for hepatitis A, B and D were used to determine the cause of acute hepatitis in 94 children (age 2 to 14 years) prospectively studied when they were admitted to Embaba Fever Hospital in Cairo, Egypt, between January and April 1983. The diagnoses were: hepatitis A (4%), hepatitis B (33%), acute hepatitis in HBsAg carriers (10%), dual infections(More)
Within 24 hr after intravenous administration of isotopic 25-hydroxyvitamin D3 to three normal adults for kinetic studies, one-third of the radioactivity was secreted into the lumen of the duodenum, probably with the bile. The subsequent intestinal reabsorption of over 85% of secreted radioactivity suggests that this major metabolite of vitamin D has a(More)
The present study was prompted by the observation that, in patients with chronic renal failure being followed at this center, renal osteodystrophy developed almost exclusively in those who were treated by chronic hemodialysis at home rather than in our center. A systematic comparison was made between the 10 patients with roentgenographic evidence of the(More)