vrs-development: C1A|l|S & 1EV|TRRA is taken about ha|f an hours be fore any se
xua1lI activit||y be
gins!
|EVl|TRA was the second anti-impotence drug approved by the u.s.a food and drug administration. CIAl1S is the third anti-impotence drug to win approvaI from the u.s.a food and drug administration in the past five years.