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The results of a study of effects of stress on serum prolactin (PRL) levels in patients with SLE reveal statistically significant differences in serum PRL level readings in samples taken over a short period of time, thus corroborating the need to take into account PRL stress induction during sample withdrawals and to interpret the values obtained, especially where moderate idiopathic hyperprolactinemia was detected. To eliminate any external stress factors, it is advisable to take PRL samples repeatedly and in perfectly resting patients.
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Dostál et al. (2002) studied this question.
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