Countercurrent separation: a new method for studying behavior of small aquatic organisms.
D000818:Animals; D001522:Behavior, Animal; D002633:Chemotaxis; D003470:Culture Media; D008433:Mathematics; D008722:Methods; D009348:Nematoda / Q000254:growth & development / Q000502:physiology*; D010710:Phosphates; D055585:Physical Phenomena; D010825:Physics; D011188:Potassium; D012996:Solutions
D003470:Culture Media; D010710:Phosphates; D012996:Solutions; D011188:Potassium