000 00493pam a2200205 a 4500
020 _c
040 _aMedical Library Libr
041 _aENG
_hENG
082 _a614.4
_bMAC
100 _aMacmahon , B. .
245 _aEpidemiology /
_c
_hTextual Documents
260 _a :
_bLittle Brown ,
_c1970.
300 _a419 ;
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365 _a$ 26.50
653 _aMedical Science
907 _a0464
930 _a3656
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