Man pages matching name bio::tools::eutilities::summary::docsum in section 3pm:

Bio::Tools::EUtilities::Summary::DocSum.3pm.en	debian 10 / libbio-eutilities-perl
Bio::Tools::EUtilities::Summary::DocSum.3pm.en	debian 11 / libbio-eutilities-perl
Bio::Tools::EUtilities::Summary::DocSum.3pm.en	debian 12 / libbio-eutilities-perl