2843
Eighteen patients with advanced epidermoid carcinoma of the head and neck were entered into a phase II trial of N - Methylformamide ( NMF ) , 800 mg / M2 IV daily for 5 days every 4 weeks .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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