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(A) Maximum (Emax) relaxation responses to 10−6 M Ach in HSV rings precontracted with 10−6 M NA; (n=5). (B) Maximum (Emax) relaxation responses to papaverine (10−4 M) in HSV rings precontracted with 10−6 M NA; (n=5); Friedman test followed by Wilcoxon signed rank test. All data are expressed as median and range (min-max).
Abbreviations: C, control; Dox., doxycycline.
