Membrane Spanning 4-Domains A1 Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the amount of membrane spanning 4-domains A1 protein in a sample.

**Synonyms:** - B-Lymphocyte Antigen CD20 Measurement - CD20 - CD20 Measurement - LEU-16 - LEU16 - LEU16 Measurement - Leukocyte Surface Antigen Leu-16 - MS4A1 Measurement - Membrane Spanning 4-Domains A1 - Membrane Spanning 4-Domains A1