Sentence: In this regard , we have synthesized Pem-PEG-Gem , wherein pemetrexed ( Pem ) and gemcitabine ( Gem ) are conjugated to a heterobifunctional polyethylene glycol ( PEG ) polymer for the effective treatment of Non-Small Cell Lung Cancer ( NSCLC ) .
Drug combination annotation:
[{'class': 'POS', 'spans': ['pemetrexed', 'gemcitabine'], 'is_context_needed': True}]