00266nam a2200097Ia 450000500170000000800410001708200190005810000200007724500380009726000330013520260325112213.0260325s9999||||xx |||||||||||||| ||und||  a616.835 Ab821P  aAbraham, Thomas 0aPolo : the odyssey of eradication  aChennaibC. Hurst pub.c2018