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. 2010 Dec 8;67(5):493–506. doi: 10.1007/s00228-010-0948-5

Fig. 5.

Fig. 5

a–c Spearman rank correlations (rs) for men (rs, males) and women (rs, females) between oxycodone and noroxycodone, oxymorphone and noroxymorphone serum concentrations (rs = 0.59–0.79, p < 0.001) for the hospitalised patients