Sentence: Bitches were also treated with amoxicillin ( 15 mg/kg body wt/48 h ) and/or gentamicin ( 4 mg/kg body wt/day ) administered as intramuscular ( i.m . ) injections .
Drug combination annotation:
[{'class': 'COMB', 'spans': ['amoxicillin', 'gentamicin'], 'is_context_needed': True}]