References in periodicals archive ?
She and other researchers have identified several different types of fetal cells, such as immature red blood cells and stem cells, that circulate along with placental cells in a mother's bloodstream.
Forced-air systems circulate airborne particles including dust, pollen, mold, and allergens.
The results suggest that in the early stages of a pandemic, mutations that occur during replication do not become fixed so that a uniform consensus strain circulates for some time.
When light of just the right wavelength travels down a narrow waveguide (in effect, a wire for photons) close to the resonator, it leaks into the resonator, where it circulates.
It circulates a non-toxic fluid that reportedly removes rust, scale, and lime from equipment and molds.
Its sister publication, El Mundo, circulates over 250,000 copies and is the oldest afternoon newspaper in the country.