Vol. 9 No. 1 (2026): Sumatera Medical Journal (SUMEJ)

This issue has been available online since January 1, 2026, as the regular January 2026 issue.
All articles in this issue (6 original research articles, 1 case report, and 1 literature review) were authored and co-authored by 38 authors from 5 countries: Indonesia, Sri Lanka, Malaysia, the Republic of Korea, and India.

Published: 2026-01-01

Research Article

Effectiveness of School Feeding Programs on Student Participation and Academic Performance in Selected Schools of Sri Lanka

Dileepa Thathsara Olokku Patabendige, K.S.H.M.Vihare Walawwe Walter Senevirathne

1-10
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Gadget Usage and Its Relationship with Mental and Emotional Health in Early Childhood (3–6 Years) at Puskesmas Medan Tuntungan

Arlinda Sari Wahyuni, Timotius Pratama, Maranatha Duva Siahaan, Nabila Febrina Salamah, Venessa Wongso, Arridho Anwar Dalimunthe, Muhammad Irzi, Evelyn, Siti Nurkholilah; Ryann Setiawan

11-17
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Correlation between Physical Activity and Happiness: A Cross-Sectional Study in Medan

Aufa Awalia Said, Eka Roina Megawati, Evita Mayasari, Farhat

18-25
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Correlation Between Platelet Distribution Width and Mean Platelet Volume with Hematocrit in Dengue Hemorrhagic Fever Patients at Prof. Dr. Chairuddin Panusunan Lubis Hospital Universitas Sumatera Utara

Dewi Fortuna Chairiya, Almaycano Ginting, Aida Fitri, Bastian Lubis

26-30
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Renal Function and Left Ventricular Ejection Fraction in Diabetic Patients with Acute Heart Failure

Mery Natalia Hutapea, Refli Hasan, Abdul Halim Raynaldo, Abdullah Afif Siregar, Teuku Bob Haykal, Yuke Sarastri, Tengku Winda Ardini, Andre Pasha Ketaren, Joy Wulansari Purba, Nizam Zikri Akbar, Cut Aryfa Andra

31-39
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Factors Contributing to Sphenoid Sinus Volume and Its Relation to Isolated Fungal Sphenoid Sinusitis

Jasmine Pei Ying Kho, Chae-Seo Rhee

40-48
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Case Report

Late Detection with Claw Hand Deformity in a Leprosy Person: A Case Report

Surender Benedict, Zulkifli Harun

49-52
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Literature Review

Unveiling the Shadows: Understanding Urban Perspectives on Cervical Cancer

Sheetal Mahendher, Leonard L, Aprajitha R

53-63
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Vol. 9 No. 1 (2026): Sumatera Medical Journal (SUMEJ)

Research Article

Effectiveness of School Feeding Programs on Student Participation and Academic Performance in Selected Schools of Sri Lanka

Gadget Usage and Its Relationship with Mental and Emotional Health in Early Childhood (3–6 Years) at Puskesmas Medan Tuntungan

Correlation between Physical Activity and Happiness: A Cross-Sectional Study in Medan

Correlation Between Platelet Distribution Width and Mean Platelet Volume with Hematocrit in Dengue Hemorrhagic Fever Patients at Prof. Dr. Chairuddin Panusunan Lubis Hospital Universitas Sumatera Utara

Renal Function and Left Ventricular Ejection Fraction in Diabetic Patients with Acute Heart Failure

Factors Contributing to Sphenoid Sinus Volume and Its Relation to Isolated Fungal Sphenoid Sinusitis

Case Report

Late Detection with Claw Hand Deformity in a Leprosy Person: A Case Report

Literature Review

Unveiling the Shadows: Understanding Urban Perspectives on Cervical Cancer

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