Given an abstract, generate a keyword (a noun phrase) that best describes the focus or contribution of the paper. Such keywords can be directly from the given abstract or outside it.

Q: Abstract: The pharmacokinetics of the long-acting anticholinesterase drug, galanthamine, were investigated in eight patients. After i.v. injection of 0.3 mg kg-1, the decrease in the serum concentration of galanthamine followed a biexponential curve. The serum concentration decreased rapidly from 543 +/- 47 ng ml-1 to 128 +/- 14 ng ml-1 between 2 and 30 min with a T1/2 alpha of 6.42 +/- 2.15 min, and then declined more slowly with a T1/2 beta of 264 +/- 28 min. Total serum clearance of galanthamine amounted to 5.37 +/- 0.87 ml min-1 kg-1, and the renal clearance was 1.36 +/- 0.10 ml min-1 kg-1. The cumulative urinary excretion of galanthamine between 0 and 48 h after injection amounted to 28.0 +/- 5.4% of the administered dose. The biliary excretion of galanthamine during 24 h amounted to 0.2 +/- 0.1% of the dose. There was no evidence of glucuronide or sulphate conjugation of galanthamine.

A: Adult
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Q: Abstract: The capacity to absorb fructose in 10 healthy adults was investigated by means of hydrogen breath analysis. Fructose absorption was quantified with lactulose standards. Significant hydrogen production (greater than or equal to 20 ppm rise of breath hydrogen) was found after challenge with 10% solutions of 50, 37.5, 25, 20, and 15 g fructose in eight, seven, five, four and one subjects, respectively. One subject showed malabsorption after a 10 g dose and possibly also 5 g fructose. In contrast, no malabsorption could be detected in any of the 10 subjects after ingestion of 100 g, 75 g, or 50 g sucrose or a mixture of 50 g glucose and 50 g fructose. After ingestion of mixtures of 50 g fructose +25 g glucose and 50 g fructose +12.5 g glucose malabsorption was present in three and seven subjects, respectively. Symptoms during all challenges were mild, or absent. It is concluded that in the healthy state the absorption capacity of fructose given alone ranges from less than 5 g to more than 50 g. The absorption capacity of fructose given as sucrose is much higher. Glucose stimulates fructose uptake in a dose dependent fashion. The possible existence of more than one intestinal transport system for fructose is considered. The elucidation of the clinical relevance of the findings is important.

A: Adult
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Q: Abstract: Parasitic, bacterial, and viral infections may all be associated with transfusion of whole blood and components, including packed red blood cells, platelets, fresh-frozen plasma, and cryoprecipitate. Proper collection and storage techniques, careful donor selection, and laboratory screening of donor blood for evidence of syphilis, hepatitis B, and human immunodeficiency virus (HIV) infection form the basis for prevention of transfusion-transmitted infections. Viral hepatitis, notably non-A non-B hepatitis, is the most frequent infectious risk of transfusion in the United States today. The risk of HIV infection is very low because of voluntary donor self-deferral and screening of donated blood for evidence of the infection.

A:
Acquired Immunodeficiency Syndrome
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