title: Effect of a controlled environment upon the intestinal microflora.
mesh_terms: D000818:Animals; D003352:Corynebacterium / Q000302:isolation & purification; D004032:Diet; D004755:Enterobacteriaceae / Q000302:isolation & purification; D004780:Environment, Controlled; D004925:Escherichia / Q000302:isolation & purification; D005243:Feces / Q000382:microbiology; D005856:Germ-Free Life; D007422:Intestines / Q000382:microbiology*; D008297:Male; D011511:Proteus / Q000302:isolation & purification; D011549:Pseudomonas / Q000302:isolation & purification; D051381:Rats; D013210:Staphylococcus / Q000302:isolation & purification; D013291:Streptococcus / Q000302:isolation & purification; D015003:Yeasts / Q000302:isolation & purification