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. 2014 Aug 20;7:555. doi: 10.1186/1756-0500-7-555

Figure 1.

Figure 1

Frequency distribution according to serum prolactin concentration in patients with non-functioning pituitary adenoma. Serum prolactin concentration in most patients was around 10 to 20 ng/ml. Nine (4.2%) patients presented the serum prolactin concentration higher than 90 ng/ml (the dark bar graph).