1. metarep::CD002943_CMP001
    Data in meta-analysis reported in review CD002943, 'Cochrane library'.
  2. metarep::CD003366_CMP005
    Data in meta-analysis reported in review CD003366, 'Cochrane library'.
  3. metarep::CD006823_CMP001
    Data in meta-analysis reported in review CD006823, 'Cochrane library'.
  4. metarep::CD007077_CMP001
    Data in meta-analysis reported in review CD007077, 'Cochrane library'.