| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T32 |
0-2 |
Sentence |
denotes |
1. |
| T33 |
3-40 |
Sentence |
denotes |
Clinical specimens and RNA extraction |
| T34 |
41-204 |
Sentence |
denotes |
Nasopharyngeal and oropharyngeal swab and sputum samples were collected from symptomatic patients to detect SARS-CoV-2 by real-time reverse transcriptase (RT)-PCR. |
| T35 |
205-346 |
Sentence |
denotes |
RNA was extracted from clinical samples with a QIAamp viral RNA mini kit (QIAGEN, Hilden, Germany) following the manufacturer’s instructions. |
| T36 |
347-510 |
Sentence |
denotes |
All specimens were handled under a biosafety cabinet according to laboratory biosafety guidelines of Korea Centers for Disease Control and Prevention for COVID-19. |
