Sage Journals: Discover world-class research

Retricted access

Case report

First published 2021-1

Twice Negative PCR in a Patient With Herpes Simplex Virus Type 1 (HSV-1) Encephalitis

Jodie I. Roberts, Gordon A. E. Jewett, Raymond Tellier [...]

The Neurohospitalist

Open access

Case report

First published 2026

Persistent COVID-19 Pneumonia in a Patient on Rituximab

Karen Clarke, Sathyabama Naidu, Claire Wan [...]

Journal of Investigative Medicine High Impact Case Reports

Open access

Research article

First published 2022-5

Analysis of Factors Causing False-Negative Real-Time Polymerase Chain Reaction Results in Oropharyngeal and Nasopharyngeal Swabs of Patients With COVID-19

Akif İşlek, Mustafa Koray Balcı

Ear,Nose & Throat Journal

Free access

Research article

First published 2018-2

Comparison of real-time PCR with fungal culture for the diagnosis of Microsporum canis dermatophytosis in shelter cats: a field study

Linda S Jacobson, Lauren McIntyre, Jenny Mykusz

Journal of Feline Medicine and Surgery

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Research article

First published 2015-08

Nonenriched PCR Versus Mutant-Enriched PCR in Detecting Selected Epidermal Growth Factor Receptor Gene Mutations Among Nonsmall-Cell Lung Cancer Patients

Moyassar Ahmad Zaki, Ragaa Abd El Kader Ramadan, Mahmoud Ibrahim Mahmoud [...]

Genetic Testing and Molecular Biomarkers

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Research article

First published 2002-9

The Impact of Expected HIV Transmission Rates on the Effectiveness and Cost of Ruling Out HIV Infection in Infants

Joseph M. Mrus, Michael S. Yi, Mark H. Eckman [...]

Medical Decision Making

Free access

Research article

First published 2013-4

Samples with high virus load cause a trend toward lower signal in feline coronavirus antibody tests

Marina L Meli, Paul Burr, Nicola Decaro [...]

Journal of Feline Medicine and Surgery

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Research article

First published 2005-06

Verification of clinical samples,positive in AMPLICOR Neisseria gonorrhoeae polymerase chain reaction,by 16S rRNA and gyrA compared with culture

International Journal of STD & AIDS

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Research article

First published 2020-9

Inappropriate Nasopharyngeal Sampling for SARS-CoV-2 Detection Is a Relevant Cause of False-Negative Reports

Antonio Piras, Davide Rizzo, Sergio Uzzau [...]

Otolaryngology–Head and Neck Surgery

Free access

Research article

First published 2015-10

Occult H. pylori infection partially explains ‘false-positive’ results of 13 C-urea breath test

María J Ramírez-Lázaro, Sergio Lario, Xavier Calvet [...]

United European Gastroenterology Journal

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