Gear RW, Miaskowski C, Gordon NC, Paul SM, Heller PH, Levine JD. Kappa-opioids produce significantly greater analgesia in women than in men. Nat Med. 1996 Nov; 2(11):1248-50.
1996
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Gear RW, Miaskowski C, Gordon NC, Paul SM, Heller PH, Levine JD