R4.3.3 | exact2x2 1.7.0
boschloo two.sided p = 0.032983 ; less = 0.016492
Fisher p, (8,3): 0.034889259347463682
Fisher p, (7,2): 0.034889259347463696
identical: FALSE
brute force, ties kept:      one-sided 0.020695
brute force, exact equality: one-sided 0.016492