THISOFFICIALSTATEMENT OF THEAMERICANTHORACICSOCIETYWASADOPTED BY THEATSBOARD OF D IRECTORS, Ju~v1999. THIS ISA JOINTS~‘ATEMENTOFTHEAMERICANTHORACICSOCIETY (ATS) ANDTHE~ENTERSFOR DISEASE CONTROLANDPREVENTION(CDC).THIS STATEMENTWASENDORSEDBYTHECOUNCILOFTHEINFE~IOUSDISEASES SOCIETYOFAMERICA(IDSA),SEPTEMBER 1999, ANDTHESE~TIONS OF THIS~TATEMENTASITRELATES TO INFANTS ANDCHILDRENWEREENDORSED BY THEAM...

To determine if measurements of the level of speech necessary for most comfortable loudness are dependent on illumination, two experiments were performed under normal illumination and in total darkness: First, subjects were instructed to adjust the level of different speech sounds until a comfortable loudness was achieved. Then, following a two alternative forced choice paradigm, subjects had t...

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We present empirical generalizations about conditions under which marketing variables evolve or remain stationary. We first define evolution statistically and make the case why it is an important concept for increasing our understanding of long-run marketing effectiveness. We then. briefly review ways in which evolution can be tested empirically from readily available data. We present a databas...

The relationship between myosin organization and cell spreading in the preimplantation mouse embryo was studied by indirect immunofluorescence in embryos cultured on lectin-coated substrates. Binding of cell surface polysaccharides to substrate-bound concanavalin A and wheat germ agglutinin induced changes in myosin distribution that resembled those which occur during cell-cell contact interact...