LCH is a new generation USY zeolite cracking catalyst.
LCH催化剂是新一代超稳Y型分子筛催化裂化催化剂。
Conclusion Whole-body bone scintigraphy is useful in the diagnosis and staging of LCH in infants.
结论全身骨显像有助于婴幼儿lch的诊断及分期。
Object: to summarize the experience of diagnosis and treatment of langerhans cell histiocytosis (LCH).
目的：总结郎格罕氏组织细胞增生症(LCH)的诊断与治疗经验。
Objective to understand the clinical manifestations of lung injury in Langerhans cell histocytosis (LCH).
目的了解朗格·汉斯细胞组织细胞增生症(LCH)肺损害的临床情况。
Objective to assess the application value of whole-body bone scintigraphy in diagnosis and staging of Langerhans cell histiocytosis (LCH) in infants.
目的探讨全身骨显像在婴幼儿朗格·汉斯组织细胞增多症(lch)诊断和分期中的应用价值。
Objective Explore the result of modified DAL-HX83/90 protocol in childhood Langerhans cell histiocytosis (LCH) in order to improve the treatment result of LCH patients.
目的为提高儿童郎格罕细胞组织细胞增生症（LCH）的预后，在复习文献基础上对DAL-HX83/90方案进行改良并观察其初步疗效。
Objective to explore the clinical and laboratory characteristics of langerhans cell histiocytosis (LCH) in children, so as to improve diagnosis level and decrease misdiagnosis rate.
目的探讨郎格罕组织细胞增生症(LCH)的临床特征，以提高诊断水平，减少误诊率。
Objective to explore the clinical and laboratory characteristics of langerhans cell histiocytosis (LCH) in children, so as to improve diagnosis level and decrease misdiagnosis rate.
目的探讨郎格罕组织细胞增生症(LCH)的临床特征，以提高诊断水平，减少误诊率。
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