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CRABPII在正常支气管粘膜上皮（A）、肺泡上皮（B）及鳞状细胞癌（C）、腺癌（D）中的表达（A, B: SP, ×400; C, D: SP, ×200）
Expressions of CRABPII in normal bronchial epithelium (A), alveolar epithelium (B), squamous cell carcinoma (C) and adenocarcinoma (D) (A, B: SP, ×400; C, D: SP, ×200)
