Statistics of spatial transcriptomic datasets. a, Differences in the distribution of papers in the database across countries. b, Trend graphs of the number of articles issued in both technical lines. Data are available until 31 December, 2022. c, Categories of experimental material used in spatial transcriptomic experiments. d, Percentage of human and mouse organs or tissues used in imaging-based technologies. e, Percentage of human and mouse organs or tissues used in sequencing-based technologies.