Reporting by Nancy Lapid; Editing by Bill BerkrotOur Standards: The Thomson Reuters Trust Principles. A study published on Tuesday in PLoS Medicine suggests that boosting vitamin D levels with supplements would not help. Pool testing allows scientists to test samples more efficiently, analyzing many samples at once. In a study conducted for the National Institutes of Health, researchers tested nearly 18,000 "minipools" of blood samples  that is, blood samples pooled from total of roughly 258,000 donors from across the country. The analysis pooled together 54 studies with a total of 77,758 participants.
The musician on the other side of the study is amy.
( z0 musician :domain ( z1 musician :name ( z2 name :op "amy" ) ) :location ( z3 side :mod ( z4 other ) :part-of ( z5 study ) ) )
(z0 / musician
    :domain (z1 / musician
                :name (z2 / name
                          :op1 "amy"))
    :location (z3 / side
                  :mod (z4 / other)
                  :part-of (z5 / study-01)))
The musician on the other side of the study is amy .
z0 :domain z1
z3 :mod z4
z0 :location z3
z3 :part-of z5
z1 :name z2
z2 :op1 0