
PMC:7781431 / 23541-23603
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T238","span":{"begin":0,"end":62},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"A GPCR that acts directly on MaR1 has not yet been identified."}