A possible explanation for some peculair properties of caffeine solutions. I. Ringer's solution.
D000818:Animals; D001001:Anura; D002110:Caffeine / Q000494:pharmacology*; D055598:Chemical Phenomena; D002621:Chemistry; D003102:Colloids; D004058:Diffusion; D005374:Filtration; D012996:Solutions
D003102:Colloids; D012996:Solutions; D002110:Caffeine