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PDF] Usefulness of cyfra 21-1 as a tumor marker of lung cancer by 박현덕(Hyun Duk Park), Hyun-Sik Chung, 박정식(Jeung Sik Park), 임성호(Sung Ho Lim), Eun-Jung Rhee, 윤중원, 정수석(Su Suk Jung), 신호철, 이승세 ·
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PDF] Diagnostic Utility of Serum Cytokeratin Fragment 21-1 in Patients with Lung Cancer | Semantic Scholar
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