Figure 1.

Original microscopy of PAS stained BAL cells (magnification ×400). Alveolar macrophages (shown by arrow heads in figures 1A and 1B) as well as lymphocytes (indicated by arrows in figures 1B and 1C) stained positive (pink).

Hauber and Zabel Diagnostic Pathology 2009 4:13   doi:10.1186/1746-1596-4-13
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