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OBJECTIVE To compare the edema-relieving effects of static immersion with water aerobics. METHODS Eighteen healthy women between 20 and 33 weeks' gestation were studied standing on land, immersed to the axilla, and participating in a water aerobics class, each for 30 minutes. RESULTS Water aerobics and the static immersion led to a similar diuresis, 187(More)
For any P ⊆ 2ω, define S(P), the degree spectrum of P, to be the set of all Turing degrees a such that there exists A ∈ P of degree a. We prove a number of basic properties of the structure which is the degree spectra of Π1 classes ordered by inclusion and also study in detail some other phenomena relating to the study of Π1 classes from a degree theoretic(More)