drug exposure14,22–24. This indicates that ΔFosB is both necessary and sufficient for many of the changes wrought in the brain by chronic drug exposure
genetic or environmental vulnerabilities, though by itself, it is neither a sufficient nor a necessary cause of psychosis. Gage, SH; Hickman, M; Zammit, S.
Cytolysin-dependent escape of the bacterium from the phagosome is required but not sufficient for induction of the Th1 immune response against Listeria monocytogenes
(PDF)于2012-04-15). Arndt & Haenel 2006,第17頁“39 digits of π {\displaystyle \pi } are sufficient to calculate the volume of the universe to the nearest atom.”(中文:39位 π