61805
From 1949 onward there were trials with premature infants suggesting that oral alpha-tocopherol was protective against edema , intracranial hemorrhage , hemolytic anemia and retrolental fibroplasia .
 intracranial hemorrhage
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:
 intracranial hemorrhage