Grades @/@ drug-related toxicities ( in @ % of patients ) in pemetrexed/pemetrexed + erlotinib were febrile neutropenia ( @ % / @ % ) , diarrhoea ( @ % / @ % ) , rash ( @ % / @ % ) ; anaemia ( @ % / @ % ) , leukopenia ( @ % / @ % ) , neutropenia ( @ % / @ % ) , and thrombocytopenia ( @ % / @ % ) .