TY - BOOK AU - Ellen Bernstein ,cythia Perterson, Thomas Beaty ED - Britanica , TI - Medical and Health Annual SN - 0852294913 U1 - Ref 610 22 PY - 1989/// CY - Auckland PB - Encyclopeadia Britannica, inc KW - Public health KW - periodicals KW - Medicine KW - Health N1 - Includes Contributors (481-484) Indexes (485-510) ER -