Sentence: Rats were distributed into three groups ( n = 5 ) according to the drug studied namely , 50 % enantiomeric excess bupivacaine mixture ( 5 μg/mL ) ; pancuronium ( 2 μg/mL ) ; 50 % enantiomeric excess bupivacaine mixture + pancuronium .
Drug combination annotation:
[{'class': 'COMB', 'spans': ['bupivacaine', 'pancuronium'], 'is_context_needed': True}]