21400
The prevalence of oligomenorrhea and galactorrhea were significantly higher in patients with true hyperprolactinemia than macroprolactinemia ( 46 vs . 14 % , p < 0 . 008 and 30 vs . 5 % , p = 0 . 01 respectively ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None