Online Public Access Catalogue (OPAC)
Library,Documentation and Information Science Division

“A research journal serves that narrow

borderland which separates the known from the unknown”

-P.C.Mahalanobis


Refraction Status of Youths, 12-17 Years, United States.


O21844


55 p. - (Vital and Health Statistics.Series 11: Data from the National Health Survey, no. 148 ) Content notes : Includes bibliographic references

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