منابع مشابه
An Introduction to Focus Group Research
A focus group refers to a group of people who share some common characteristics. A researcher gathers these people in the group in order that they share their points of view and interact with each other over a specific issue. Focus group and Interview group are used interchangeably in the scientific literature and both refer to a method of collecting data in qualitative studies. Given the impor...
متن کاملAutomated blood group serology.
Although automation was introduced into biochemistry in 1957 (Skeggs, 1957), it was not until 1963 that McNeil, Helrick, and Ferrari (1963) first described a mechanized technique forABO grouping. This was followed a few months later by a method employing the AutoAnalyzer continuous flow principle by which up to 40 samples per hour could be both ABO and Rh (D) grouped (Sturgeon, Cedergren, and M...
متن کاملAutomated blood group serology GEOFFREY
Although automation was introduced into biochemistry in 1957 (Skeggs, 1957), it was not until 1963 that McNeil, Helrick, and Ferrari (1963) first described a mechanized technique forABO grouping. This was followed a few months later by a method employing the AutoAnalyzer continuous flow principle by which up to 40 samples per hour could be both ABO and Rh (D) grouped (Sturgeon, Cedergren, and M...
متن کاملGuidelines on Establishing an EQA Scheme in Blood Group Serology
World Health Organization. External quality assessment of transfusion laboratory practice: guidelines on establishing an EQA scheme in blood group serology.
متن کاملSerology of Abo Blood Group Sys- Tem
The ABO blood group was discovered in 1900 by Austrian scientist, Karl Landsteiner. At present, the International Society of Blood Transfusion (ISBT) approves as 29 human blood group systems. The ABO blood group system consists of four antigens (A, B, O and AB). These antigens are known as oligosaccharide antigens, and widely expressed on the membranes of red cell and tissue cells as well as, i...
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ژورنال
عنوان ژورنال: Journal of Clinical Pathology
سال: 1958
ISSN: 0021-9746
DOI: 10.1136/jcp.11.6.556-b