title: Analysis of chemotaxis in the nematode Caenorhabditis elegans by countercurrent separation.
mesh_terms: D000085:Acetates / Q000494:pharmacology; D000818:Animals; D002118:Calcium / Q000494:pharmacology; D002633:Chemotaxis; D003377:Countercurrent Distribution; D003470:Culture Media; D006863:Hydrogen-Ion Concentration; D008278:Magnesium Sulfate / Q000494:pharmacology; D009348:Nematoda / Q000187:drug effects / Q000502:physiology*; D011188:Potassium / Q000494:pharmacology; D012965:Sodium Chloride / Q000494:pharmacology; D013696:Temperature
chemical_list: D000085:Acetates; D003470:Culture Media; D012965:Sodium Chloride; D008278:Magnesium Sulfate; D011188:Potassium; D002118:Calcium