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<br />E){ceerj'~nce Frequency per Hundred Yea"
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<br />99 98 95 90 80 70 60 50 40 30 20 10 5 2 5
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<br />(lI:ceedence llilerval tn Years
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<br />
<br />FREQUENCY OF PEAK FLOWS
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<br />I; f-I
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<br />Date'
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<br />/-'2..>-71
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