00433nam a2200169Ia 4500003000400000005001700004008004100021020001500062040000700077041000800084082002500092100002400117245005300141260004400194300001100238365001400249OSt20230509162543.0210423s2002    xx            000 0 und d  a1555812414  cAL  aeng  a574.87322 223bKRAR  aKRASNER (Robert I).  aMicrobial challenge: human microbe interactions.  aWashingtonbButterworth Heinemannc2002  axx,433  b4156cINR