American Heritage Dictionary
(3)
Century Dictionary
(3)
GNU Webster's 1913
(2)
WordNet
(1)
Elsewhere on the web
This study on a large, diverse set of marketed compounds clearly demonstrates that permeability, Pgp-mediated efflux, and certain physicochemical properties are factors that differentiate CNS and non-CNS drugs.— CiteULike: Everyone's library
Polyglutamylated pralatrexate essentially becomes "trapped" inside cancer cells, making it less susceptible to efflux-based drug resistance.— Health News from Medical News Today
However, intrinsic mechanisms not commonly specified by mobile elements -- such as efflux pumps that expel multiple kinds of antibiotics -- are now recognized as major contributors to multidrug resistance in bacteria.— CiteULike: Everyone's library
The uptake and efflux of TSA in primary rat brain microvascular endothelial cells (RBMVECs) were altered in the presence of a PgP inhibitor or multidrug-resistance-associated protein (Mrp1 / 2) inhibitor.— CiteULike: Everyone's library

American Heritage Dictionary (1)
Century Dictionary (2)
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