“In human liver … combined effect of celecoxib and known SULT1A1 … 1E1 inhibitors, quercetin and triclosan, resulted in inhibition of 17β-E2-3-sulfonation such that the 17-sulfate became the major …: this is of interest because the 17-sulfate is not readily hydrolyzed by steroid sulfatase to 17β-E2.”