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DIXON WJ, 1983, BMDP STATISTICAL SOF
[3]
HUNTER SMD, 1980, PREV MED, V9, P701
[5]
ROSENBAUM MS, 1983, PEDIATRICS, V71, P359
[6]
SAMET JM, 1982, AM REV RESPIR DIS, V125, P152
[8]
*US DHEW, 1979, PHS7950066 PUBL
[9]
[No title captured]