48341
Clozapine is an effective treatment for those who respond poorly to other drugs ( " treatment-resistant " or " refractory " schizophrenia ) , but it has the potentially serious side effect of agranulocytosis ( lowered white blood cell count ) in less than 4 % of people .
 agranulocytosis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 agranulocytosis