00570cam a22002054a 4500020001500000020001600015020001600031082001300047100002500060245005100085250001400136260005500150300001800205500004200223650002200265650001300287654002100300700002200321700002100343  a0443070350  a0443070369   a044307111X 00a616bHAS  aHaslett, Christopher00aDavidson's principles and practice of medicine  a19th ed.   aEdinburgh aNew York bChurchill Livingstonec2002  axxii, 1274p.   a"50th anniversary ed."--Front cover.  0aInternal medicine12aMedicine  aMedicine General1 aChilvers, Edwin R1 aBoon, Nicholas A