JCS -- Bradley et al. 116 (21): 4291 Figure IG3

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Fig. 2. cADPR increased [Ca²⁺]_c in sea urchin eggs. cADPR ( ${uparrow}$ ; 1 mM in the injection solution, giving a concentration in the cell of $~$ 22 µM) released Ca²⁺ in sea urchin eggs. The flash artefact was removed for clarity.