Biotech patenting slows in 2004.
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D001709:Biotechnology / Q000706:statistics & numerical data* / Q000639:trends*; D004345:Drug Industry / Q000706:statistics & numerical data* / Q000639:trends*; D005060:Europe; D007221:Industry / Q000706:statistics & numerical data / Q000639:trends; D010330:Patents as Topic / Q000706:statistics & numerical data*; D014481:United States