TY  - BOOK
AU  - Sapolsky, Robert M.
TI  - Why zebras don't get ulcers
SN  - 0805073698
PY  - 2004///
CY  - New York
PB  - Times Books
N1  - Monograph; 'An Owl Book.'; xv, 539p. : ill.. ; 23cm; '1st Owl Books ed.'--T.p. verso; Includes bibliographical references (p. [418]-515) and index
ER  -