comparisons were made of cardiovascular effects in intact , awake , previously instrumented calves given the following oxytetracycline ( oxy ) preparations and components : polyvinylpyrrolidine vehicle ( pvp ) , oxy hcl in pvp ( oxy-pvp ) , oxy hcl ( usp ) in saline solution , propylene glycol , 77.8 % ( pg ) , propylene glycol vehicle ( pgv ) , and oxy hcl in pgv ( oxy-pgv ) .
C0017449
oxy hcl
C0030092
oxy