PMC:7571312 / 127603-127725 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T695","span":{"begin":0,"end":122},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Crystallization plates were incubated at 21 °C, and rectangular crystals measuring 0.1 × 0.25 × 0.25 mm3 grew within 24 h."}