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Planned Activity Name
A non-unique textual identifier for the planned activity. (NCI Thesaurus)
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The textual representation of the planned activity.
The textual representation of the planned activity from the point of view of a blinded participant (study subject or study investigator). …
Marine zooplankton that passively float or weakly swim, and have calcium carbonate skeletons that are present in large numbers on the surface…
Small or microscopic organisms, including algae and protozoan, that float or drift in great numbers in fresh or salt water, especially at…
An instrument for measuring the area of an irregular plane figure.
An imaginary surface formed by extension of a point through any axis or two definite points; any flat two-dimensional surface.
