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. 1999 Jul;127(5):1135–1144. doi: 10.1038/sj.bjp.0702657

Figure 1.

Figure 1

Figure 1

(a) Time course and (b) effect of pertussis toxin (PTx; 100 ng ml−1) on quinpirole acidification rate responses in CHO cells expressing hD2, hD3 or hD4 receptors. Data are from a single experiment representative of at least two tests. Exposure to quinpirole indicated by the boxes. Data for hD3 control cells in (b) offset by −40 μV s−1 for clarity.