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Table 3 The 18 RCTs not found in any of the nine searched databases

From: Database coverage and their use in systematic reviews regarding spinal manipulative therapy: an exploratory study

Characteristics of non-retrievable RCTs

Number of RCTs

Chinese literature, including dissertations

11

German Osteopathic literature

5

Dissertations or master theses

2

  1. RCT randomized controlled trial
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Chiropractic & Manual Therapies

ISSN: 2045-709X