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Section AF: Family History - Initial Visit
AFCOMP WHETHER FAMILY HISTORY FORM COMPLETED ... HRS HOUSEHOLD IDENTIFIER Section: AF Level: Respondent Type: Character Width: 6 ... DON'T KNOW 727 Blank.
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Effects of using same- versus alternate-form memory tests ...
by RHB Benedict · 2005 · Cited by 173 — Our objective was to examine test-retest effects in multiple sclerosis (MS) patients randomly assigned to same- (SF) or alternate-form (AF) conditions.
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Ethylenediaminetetraacetic acid - Wikipedia
Ethylenediaminetetraacetic acid (EDTA) is an aminopolycarboxylic acid with the formula [CH2N 2]2. This white, water-soluble solid is widely used to bind to ...
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