Johan Samuel Sitanggang
2PUBLICATIONS
2CO-AUTHORS

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Publications (2)
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|Jul 10, 2023
The role of oncogenes and tumor suppressor genes in determining survival rates of lung cancer patients in the population of North Sumatra, Indonesia.Noni Novisari Soeroso, Fannie Rizki Ananda, Johan Samuel Sitanggang
|Sep 05, 2022
Prevalence of cancer as a comorbid in COVID-19 patients and their characteristics: a meta-analysis study.Johan S Sitanggang, Kamal B Siregar, Henry H Sitanggang
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