id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-010540-0zkc5w74	Lei, Pinggui	Multiple parameters required for diagnosis of COVID-19 in clinical practice	2020-03-19		.txt	text/plain	707	52	51	We read with interest the recent papers in this Journal by Hao who described clinical features of atypical 2019 novel coronavirus pneumonia with an initially negative RT-PCR assay. 3-6 Therefore, even though chest CT plays a key role in detection or diagnosis of COVID-19 infection, however, chest CT examination and RT-PCR results should be mutual verification for precise diagnosis in the patient suspected COVID-19 infection. In conclusion, even though chest CT has played a key role in detection or diagnosis of COVID-19 infection with some typical CT features while the initial RT-PCR result is negative. However, not all the cases had the initial abnormality chest CT results or positive RT-PCR in the patients with COVID-19 infection. Consequently, RT-PCR results, chest CT features, clinical manifestation, laboratory results, and exposure history should be made a comprehensive analysis to diagnose COVID-19 infection for the clinical decisions beyond clinical and radiological features. Clinical features of atypical 2019 novel coronavirus pneumonia with an initially negative RT-PCR assay	./cache/cord-010540-0zkc5w74.txt	./txt/cord-010540-0zkc5w74.txt