Witting N, Svensson P, Gottrup H, Arendt-Nielsen L, Jensen TS (2000). "Intramuscular and intradermal injection of capsaicin: a comparison of local and referred pain". Pain. 84 (2–3): 407–12. doi:10.1016/S0304-3959(99)00231-6. PMID10666547. S2CID27403703.
Kosek E, Hansson P (2003). "Perceptual integration of intramuscular electrical stimulation in the focal and the referred pain area in healthy humans". Pain. 105 (1–2): 125–31. doi:10.1016/S0304-3959(03)00171-4. PMID14499428. S2CID24594646.
Witting N, Svensson P, Gottrup H, Arendt-Nielsen L, Jensen TS (2000). "Intramuscular and intradermal injection of capsaicin: a comparison of local and referred pain". Pain. 84 (2–3): 407–12. doi:10.1016/S0304-3959(99)00231-6. PMID10666547. S2CID27403703.
Kosek E, Hansson P (2003). "Perceptual integration of intramuscular electrical stimulation in the focal and the referred pain area in healthy humans". Pain. 105 (1–2): 125–31. doi:10.1016/S0304-3959(03)00171-4. PMID14499428. S2CID24594646.
Witting N, Svensson P, Gottrup H, Arendt-Nielsen L, Jensen TS (2000). "Intramuscular and intradermal injection of capsaicin: a comparison of local and referred pain". Pain. 84 (2–3): 407–12. doi:10.1016/S0304-3959(99)00231-6. PMID10666547. S2CID27403703.
Kosek E, Hansson P (2003). "Perceptual integration of intramuscular electrical stimulation in the focal and the referred pain area in healthy humans". Pain. 105 (1–2): 125–31. doi:10.1016/S0304-3959(03)00171-4. PMID14499428. S2CID24594646.