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Pittenger, M
The soluble fraction was separated from debris by spinning down at 20,000 g for 20 min
A common synthetic form of the vitamin (cyanocobalamin) does not occur in nature, but is used in many pharmaceuticals, supplements and as food additive, due to its stability and lower cost
It was decided to select for analysis those articles that met the following inclusion criteria: original documents, adequate to the search objectives (relationship between serum L-carnitine levels and an improvement in clinical parameters, such as a significant progress in the lipid profile, an increase in weight gain, or a reduction in hospital stay, among others), published in any country, by any institution or individual researcher, and in English or Spanish
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