PMC:7795856 / 29975-30040
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T176","span":{"begin":0,"end":4},"obj":"Sentence"},{"id":"T177","span":{"begin":5,"end":65},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"4.7. Reverse-Phase Chromatography (RPC) and ESI Mass Spectrometry"}