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Figure 1 | BMC Medical Research Methodology

Figure 1

From: Current use of medical eponyms – a need for global uniformity in scientific publications

Figure 1

Trend in use of "Down's syndrome" versus "Down syndrome". Trend in use of possessive form i.e., "Down's syndrome" in PubMed archives since 1970. Percentage is calculated using a formula, 100X/(X+Y), where X and Y indicated the total number of articles retrieved by text-word search "Down's syndrome" and "Down syndrome," respectively. Over the last 20 years, this frequency is approximately halved (33.7% versus 16.5%; P < 0.001).

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