Lüdtke R, Rutten AL. The conclusions on the effectiveness of homeopathy highly depend on the set of analyzed trials. J Clin Epidemiol 2008; 61(12): 1197-204.
Kiene H, Kienle GS, von Schön-Angerer T. Failure to exclude false negative bias: a fundamental flaw in the trial of Shang et al. J Altern Complement Med. 2005; 11(5): 783.
Frass M, Schuster E, Muchitsch I, Duncan J, Gei W, Kozel G, Kastinger-Mayr C, Felleitner AE, Reiter C, Endler C, Oberbaum M. Bias in the trial and reporting of trials of homeopathy: a fundamental breakdown in peer review and standards? J Altern Complement Med 2005; 11(5): 780-2.
Linde K, Jonas WB, Melchart D, Willich S. The methodological quality of randomized controlled trials of homeopathy, herbal medicines and acupuncture. International Journal of Epidemiology 2001; 30: 526-531.
Jonas WB, Anderson RL, Crawford CC, Lyons JS. A systematic review of the quality of homeopathic clinical trials. BMC Complementary and Alternative Medicine 2001; 1(1): 12.
Linde K, Hondras M, Vickers A, ter Riet G, Melchart D. Systematic reviews of complementary therapies an annotated bibliography. Part 3: homeopathy. BMC Complementary and Alternative Medicine 2001; 1(1): 4.
Cucherat M, Haugh MC, Gooch M, Boissel JP. Evidence of clinical efficacy of homeopathy. A meta-analysis of clinical trials. HMRAG. Homeopathic Medicines Research Advisory Group. European Journal of Clinical Pharmacology 2000; 56(1): 27-33.
Linde K, Melchart D. Randomized controlled trials of individual homeopathy: a state-of-art review. Journal of Alternative & Complementary Medicine 1998;4: 371-88.
Linde K, Clausius N, Ramirez G, Melchart D, Eitel F, Hedges LV, et al. Are the clinical effects of homeopathy placebo effects? A meta-analysis of placebo-controlled trials. Lancet 1997; 350: 834-43.
Jacobs J, Jonas WB, Jimenez-Perez M, Crothers D. Homeopathy for childhood diarrhea: combined results and meta-analysis from three randomized controlled trials. Pediatric Infectious Disease Journal 2003; 22(3): 229-34.
Lewith GT, Watkins AD, Hyland ME, Shaw S, Broomfield JA, Dolan G, et al. Use of ultramolecular potencies of allergen to treat asthmatic people allergic to house dust mite: double blind randomized controlled clinical trial. British Medical Journal 2002; 324: 520-3.
Taylor MA, Reilly D, Llewellyn-Jones RH, McSharry C, Aitchison TC. Randomised controlled trial of homoeopathy versus placebo in perennial allergic rhinitis with overview of four trial series. British Medical Journal 2000; 312: 471-6.
Matthias Rostock, Johannes Naumann, Corina Guethlin, Lars Guenther, Hans H Bartsch, Harald Walach. Classical homeopathy in the treatment of cancer patients - a prospective observational study of two independent cohorts. BMC Cancer 2011; 11: 19.
Guethlin C, Walach H, Naumann J, Bartsch HH, Rostock M. Characteristics of cancer patients using homeopathy compared with those in conventional care: a cross-sectional study. Ann Oncol 2010; 21(5): 1094-9.
Rossi E, Endrizzi C, Panozzo MA, Bianchi A, Da Frč M. Homeopathy in the public health system: a seven-year observational study at Lucca Hospital (Italy). Homeopathy 2009; 98(3): 142-8.
Witt CM, Lüdtke R, Mengler N, Willich SN. How healthy are chronically ill patients after eight years of homeopathic treatment? Results from a long term observational study. BMC Public Health 2008; 8: 413.
Keil T, Witt CM, Roll S, Vance W, Weber K, Wegscheider K, Willich SN. Homoeopathic versus conventional treatment of children with eczema: a comparative cohort study. Complement Ther Med 2008; 16(1): 15-21.
Haidvogl M, Riley DS, Heger M, Brien S, Jong M, Fischer M, Lewith GT, Jansen G, Thurneysen AE. Homeopathic and conventional treatment for acute respiratory and ear complaints: a comparative study on outcome in the primary care setting. BMC Complement Altern Med 2007; 7: 7.
Witt CM, Lüdtke R, Baur R, Willich SN. Homeopathic medical practice: long-term results of a cohort study with 3981 patients. BMC Public Health 2005; 5: 115.
Relton C, Weatherley-Jones E. Homeopathy service in a National Health Service community menopause clinic: audit of clinical outcomes. Br Menopause Soc 2005; 11(2): 72-3.