title: Studies on Myxosoma cerebralis, a parasite of salmonids. I. The diagnosis of the infection.
mesh_terms: D000818:Animals; D002498:Centrifugation; D003718:Denmark; D056890:Eukaryota / Q000302:isolation & purification; D005393:Fish Diseases / Q000382:microbiology*; D008722:Methods; D008858:Microscopy, Phase-Contrast; D010434:Pepsin A / Q000378:metabolism; D011529:Protozoan Infections, Animal; D012487:Salmonidae; D012886:Skull / Q000378:metabolism; D013170:Spores / Q000302:isolation & purification*
chemical_list: D010434:Pepsin A