PMC:7784824 / 3788-4179 JSON TXT

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Id	Subject	Object	Predicate	Lexical cue	tao:has_database_id
61	129-137	Species	denotes	patients	Tax:9606
62	289-299	Species	denotes	SARS-CoV-2	Tax:2697049
63	30-38	Disease	denotes	COVID-19	MESH:C000657245
64	203-211	Disease	denotes	COVID-19	MESH:C000657245
65	212-221	Disease	denotes	infection	MESH:D007239

Id	Subject	Object	Predicate	Lexical cue
T41	0-111	Sentence	denotes	Establishing the diagnosis of COVID-19 is sometimes very challenging and does not only rely on molecular tests.
T42	112-274	Sentence	denotes	We report on two patients who presented at the emergency department with high suspicion of COVID-19 infection based on clinical findings and/or chest-CT findings.
T43	275-391	Sentence	denotes	Nevertheless, SARS-CoV-2 RT-PCR testing was repeatedly negative on repetitive nasopharyngeal, throat and anal swabs.