000 00261nam a22001217a 4500
020 _a0335150527
050 _aMED RA776
_bO63
245 _aHealth of nations
260 _aLondon
_bOpen University
_c1985
300 _a152p.
_bill.
650 _aHealth
942 _cBK
999 _c5218
_d5218