Skip to main content
. 1997 Feb;120(Suppl 1):151–161. doi: 10.1111/j.1476-5381.1997.tb06793.x

Fig. 5.

Fig. 5

Air-perfused guinea-pig lung. Doses of histamine (H) injected into the perfusion fluid in absence and presence of pethidine hydrochloride (P). (a) 2·5 μg. H; (b) 5 μg. H with 10−7 P; (c) 5 μg. H with 5 × 10−7 P; (d) 25 μg. H with 10−7 P; (e) 25 μg. H with 5 × 10−6 P.