SODIUM DETERMINATION IN NAIL CLIPPINGS BY INSTRUMENTAL NEUTRON ACTIVATION ANALYSIS FOR THE AGNOSIS OF CYSTIC FIBROSTS

The pr esent s t udy indicate s an incidence of 1/1200 cys t. i,c fi brotic (CF) pat i ent s among hospi taliz ed children. It als o r e ports the reliability o f i nstrumental neutron a c - tivation a na lys i s (NAA) method in t he di agnos i s of CF pati ents. There was no ove r l apping o f t h e results o f na il sod i um conc en t r a t ion i n CP pat ients and ror maL conr.roI s (mean 11 763 ~ 2930 vs 559 ~ 244 ; P <0 .001) .