To the Editor.— One of the questions against the theory that iodochlorhydroxyquin causes subacute myelo-opticoneuropathy (SMON) was "Why has the disease become apparent only in the past decade when the drug has been used for four decades?" (220:273, 1972). In fact, reports of the outbreaks of SMON had appeared since 1958,1 although iodochlorhydroxyquin had been used orally from 19292 in Japan.To elucidate this problem, one of us (K. K.) studied the conditions of the use of iodochlorhydroxyquin before the Second World War through a review of the literature, especially the reports of clinical trials. Consequently, it was found that the daily doses were relatively small and the duration of administration short at that time. One of the reports published in 1938, however, stated that no adverse effect was observed when the drug was administered to 30 carriers of Salmonella typhi in a daily dose of 1.0 to
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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