1193
Nucleotide sequence analysis of GPIa cDNA derived from Sit ( a ) - positive platelets showed C ( 2531 ) - - > T ( 2531 ) point mutation , resulting in Thr ( 799 ) Met dimorphism .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 None