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- [41] Randomized, double-blind, placebo-controlled trial of local analgesia in laparoscopy OBSTETRICS AND GYNECOLOGY, 2004, 103 (04): : 21S - 21S
- [43] RANDOMIZED DOUBLE-BLIND PLACEBO-CONTROLLED TRIAL OF FEVERFEW IN MIGRAINE PREVENTION LANCET, 1988, 2 (8604): : 189 - 192
- [48] The cult of the double-blind placebo-controlled trial BRITISH JOURNAL OF CLINICAL PRACTICE, 1997, 51 (01): : 36 - 39