243
50 mg / ml , which was approximately half the level of Hp in control sera from the Hp1 phenotype ( 1 . 26 + / - 0 . 33 mg / ml ; n = 9 ) , showing a gene - dosage effect .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 None