@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<https://bioregistry.io/s_mart_db:SM0000020> rdfs:seeAlso <http://bio2rdf.org/s_mart_db:SM0000020>,
        <http://smartdb.bioinf.med.uni-goettingen.de/cgi-bin/SMARtDB/getSMAR.cgi?SM0000020> .