The magnetic diver microgasometer.
D000818:Animals; D001001:Anura; D001369:Axons / Q000201:enzymology; D002623:Chemistry Techniques, Analytical / Q000295:instrumentation*; D002802:Cholinesterases / Q000032:analysis; D005740:Gases / Q000032:analysis*; D008280:Magnetics; D008365:Manometry; D008433:Mathematics; D008722:Methods
D005740:Gases; D002802:Cholinesterases