title: Correlation between sea urchin sperm respiratory rates and cyclic AMP concentrations as a function of cell dilution.
mesh_terms: D000818:Animals; D002469:Cell Separation; D000242:Cyclic AMP / Q000378:metabolism*; D066298:In Vitro Techniques; D008297:Male; D010101:Oxygen Consumption; D012617:Sea Urchins / Q000378:metabolism*; D013094:Spermatozoa / Q000378:metabolism*; D013997:Time Factors
chemical_list: D000242:Cyclic AMP