424
44
992
748
1007
685
125
502
138
496
1270
999
145
688
883
524
448
881
600
1132
270
758
714
625
30
330
968
280
172
496
355
258
499
2
800
518
843
1202
176
504
581
345
The bulletin of the British Columbia Board of Health. Vol. 16, no. 1 (January, 1946)
289
469
750
23
4
1201
942
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