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In situ detection of LAM and PGL-I in the course of the disease with RR. Sequential sections of the lesion of a MB patient with RR (BI 4+) in the course of treatment were stained with the MAb to LAM (A) and the MAb to PGL-I (B). Immunoperoxidase single staining, hematoxylin counterstaining; magnification, ×40.
