Online first papers have undergone full scientific review and copyediting, but have not been typeset or proofread. To cite this article, use the DOIs number provided. Mandatory typesetting and proofreading will commence with regular print and online publication of the online first papers of the SMJ. Online First articles should be cited with the online publication date and DOI link.

Example: Saxena A, Agarwal KK, Parshuram V, Das AR. Gantzer muscles and their applied aspects; an exceptional finding. Singapore Med J 2013 April 12. https://doi.org/10.11622/smedj.2013064.

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Cerebrovascular infarct associated with intracoronary adenosine: a possible rare fractional flow reserve complication
Type: Letter to the Editor
Author(s): Keh YS, Pang YZ, Chin CT
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021085
Epub Date: 18 Jun 2021
Tailoring management and immunosuppression regimen in kidney transplant recipients with COVID-19 infection – lessons from Singapore
Type: Commentary
Author(s): Chang ZY, Tambyah PA, Lum LHW, Vathsala A, Teo ZC
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021082
Epub Date: 18 Jun 2021
Urology action plan in a pandemic
Type: Commentary
Author(s): Mangat R, Biligere S, Heng CT, Durai P, Gauhar V
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021081
Epub Date: 18 Jun 2021
Bone densitometry measurements in children with neurofibromatosis Type 1 using quantitative computed tomography
Type: Original Article
Author(s): Tezol O, Balcı Y, Alakaya M, Gundogan B, Cıtak EC
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021052
Epub Date: 19 May 2021
Clinicopathological patterns and survival outcomes of colorectal cancer among young adults in Malaysia: an institutional cohort study
Type: Original Article
Author(s): Wong SW, Ling DY, Yeow RQ, Chong RW, Aziz R, Aziz NA, Poh KS, Roslani AC
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021051
Epub Date: 19 May 2021
Machine learning in medicine: what clinicians should know
Type: Review Article
Author(s): Sim JZT, Fong QW, Huang WM, Tan CH
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021054
Epub Date: 19 May 2021
Patterns of orthopaedic injury among hospitalised personal mobility device users and bicycle riders: a comparative study
Type: Original Article
Author(s): Koh TSD, Woo YL, Wong TH, Tan MH
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021050
Epub Date: 19 May 2021
Thermal strain and fluid balance during a 72-km military route march in a field setting
Type: Original Article
Author(s): Poon BH, Prakaash S, Teo YS, Fan WP, Lee JKW
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021053
Epub Date: 19 May 2021
A hardy infestation: post-traumatic osteomyelitis mimicking heterotopic ossification
Type: Letter to the Editor
Author(s): Ng PHJ, Tan TJL
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021040
Epub Date: 19 Apr 2021
Chronic pelvic pain as an unusual presentation of May-Thurner syndrome
Type: Letter to the Editor
Author(s): Tan SJJ, Damodharan K, Tay HT, Tang TY
Citation: Singapore Med J 2021; https://doi.org/10.11622/smedj.2021048
Epub Date: 19 Apr 2021