Authors reply to Letter/Comment from Shadmani & Mansori re Cancer pain with a neuropathic component: a cross-sectional study of its clinical characteristics, associated psychological distress, treatments and predictors at referral to a cancer pain clinic.

We thank Shadmani and Mansori for their letter regarding our cross-sectional study of cancer pain with a neuropathic component at referral to a cancer pain clinic.1 We agree that a cross-sectional design precludes the valid determination of causal inference.

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