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[1]
ABELSMITH B, 1956, COST NATIONAL HLTH S
[2]
LOGAN WPD, 1958, MORBIDITY STATISTICS, V1
[3]
1960, CMND1064
[4]
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[5]
1960, LANCET, V1, P275
[6]
[No title captured]
[7]
1960, 1959 MIN HLTH ANN 1, P74