000
00268nam a2200109Ia 4500
008
160509s9999 xx 000 0 und d
100
_a
Taylor, Ian
245
_a
Principles of Epidemiology
260
_b
J. & A. Churchill Ltd
_c
1957
300
_a
300p.
650
_a
Epidemiology
999
_c
69
_d
69