Also, the usage of anti-Candida medications may accumulate part of the «dead» Candida in the descending and sigmoid colon and hence their removal is beneficial. (customprobiotics.com)
(It would be at the top & slightly left of the «1» in «Ensemble Member Sigmoid Fit 1979 - 2011.») (realclimate.org)
It consists of the sum of three scaled shifted sigmoid functions. (climateaudit.org)