Fig. 1.
Immunocytochemical staining of blood PMNs.
(A) Negative control; no staining was observed with a control immunoglobulin. (B) Intracellular red staining was observed in PMNs with specific monoclonal anti-HGF antibodies; smears were examined by light microscopy at ×800; (Ly indicates lymphocytes; Mo, monocytes).