Introducción No. 87

Introducción al problema inverso electrocardiográfico

In this work, a data acquisition approach for the inverse problem in electrocardiography using a low cost wireless acquisition system is presented. Obtaining an image of the electrical activity on the heart surface is important in the study and diagnosis of heart disease. In addition, an introduction to the mathematical problem is presented describing two regularization methods: the Tikhonov me...

Management of oesophageal and gastric cancer. (SIGN Guideline No 87)

No . 2003 / 87 National Taxation , Fiscal Federalism and Global Taxation

This paper considers lessons from the practice of fiscal federalism for guidance on new approaches to development finance. Despite the fact that inter-regional redistribution in a federation relies on a central government with strong fiscal powers, the form of that redistribution can be used as a benchmark for international development assistance financing. In a federation, finance for less-dev...

Developing questionnaires for educational research: AMEE Guide No. 87

In this AMEE Guide, we consider the design and development of self-administered surveys, commonly called questionnaires. Questionnaires are widely employed in medical education research. Unfortunately, the processes used to develop such questionnaires vary in quality and lack consistent, rigorous standards. Consequently, the quality of the questionnaires used in medical education research is hi...

Antibacterial substance produced by Streptomyces sp . No . 87

An antimicrobial substance produced by Streptomyces sp. No. 87 was partially purified and studied for its antibacterial characteristics using the swab paper disc technique. The cell-free culture filtrate showed antibacterial activity against several species of pathogens including Gram-positive bacteria, i.e. Bacillus cereus ATCC 11778, B. subtilis TISTR 008, B. megaterium, Staphylococcus aureus...