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Bone marrow changes occurred rapidly as demonstrated by megaloblastosis in 95 % of 65 specimens at week 18 . ( ABSTRACT TRUNCATED AT 250 WORDS )
 Disease: megaloblastosis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: megaloblastosis