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Number-needed-to-treat and placebo-controlled trials.
de Craen AJ, Vickers AJ, Tijssen JG, Kleijnen J. de Craen AJ, et al. Lancet. 1998 Jan 31;351(9099):310. doi: 10.1016/S0140-6736(05)78341-0. Lancet. 1998. PMID: 9652609 No abstract available.
A systematic review of Helicobacter pylori eradication therapy--the impact of antimicrobial resistance on eradication rates.
Houben MH, van de Beek D, Hensen EF, de Craen AJ, Rauws EA, Tytgat GN. Houben MH, et al. Aliment Pharmacol Ther. 1999 Aug;13(8):1047-55. doi: 10.1046/j.1365-2036.1999.00555.x. Aliment Pharmacol Ther. 1999. PMID: 10468680 Review.
Helicobacter pylori eradication therapy in The Netherlands.
Houben MH, van de Beek D, Hensen EF, de Craen AJ, van 't Hoff BW, Tytgat GN. Houben MH, et al. Scand J Gastroenterol Suppl. 1999;230:17-22. doi: 10.1080/003655299750025499. Scand J Gastroenterol Suppl. 1999. PMID: 10499457
Impact of experimentally-induced expectancy on the analgesic efficacy of tramadol in chronic pain patients: a 2 x 2 factorial, randomized, placebo-controlled, double-blind trial.
de Craen AJ, Lampe-Schoenmaeckers AJ, Kraal JW, Tijssen JG, Kleijnen J. de Craen AJ, et al. J Pain Symptom Manage. 2001 Mar;21(3):210-7. doi: 10.1016/s0885-3924(01)00265-2. J Pain Symptom Manage. 2001. PMID: 11239740 Clinical Trial.
Placebos and placebo effects in medicine: historical overview.
de Craen AJ, Kaptchuk TJ, Tijssen JG, Kleijnen J. de Craen AJ, et al. J R Soc Med. 1999 Oct;92(10):511-5. doi: 10.1177/014107689909201005. J R Soc Med. 1999. PMID: 10692902 Free PMC article. No abstract available.
Placebo effect in the treatment of duodenal ulcer.
de Craen AJ, Moerman DE, Heisterkamp SH, Tytgat GN, Tijssen JG, Kleijnen J. de Craen AJ, et al. Br J Clin Pharmacol. 1999 Dec;48(6):853-60. doi: 10.1046/j.1365-2125.1999.00094.x. Br J Clin Pharmacol. 1999. PMID: 10594490 Free PMC article.
Is placebo analgesia mediated by endogenous opioids? A systematic review.
ter Riet G, de Craen AJ, de Boer A, Kessels AG. ter Riet G, et al. Pain. 1998 Jun;76(3):273-5. doi: 10.1016/s0304-3959(98)00057-8. Pain. 1998. PMID: 9718245 Review.
Placebo effect in double-blind clinical trials: a review of interactions with medications.
Kleijnen J, de Craen AJ, van Everdingen J, Krol L. Kleijnen J, et al. Lancet. 1994 Nov 12;344(8933):1347-9. doi: 10.1016/s0140-6736(94)90699-8. Lancet. 1994. PMID: 7968033 Review. No abstract available.
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