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Respiratory mucosa reacted with 4 lectins: WGA (a), (a’) LEL (b), (b’), DBA (c), (c’) and PHA-L (d), (d’). Arrowhead indicates basal cells. D, Glandular duct; G, goblet cell; M, mucous cell; S, serous cell. Bar=50 µm in (a)–(d) and 30 µm in (a’)–(d’).
