00454nam a22001097a 4500999001700000245012500017260007100142300001000213650002800223942000700251952008600258  c19019d19019  aColor vision deficiencies in youths 12-17 years of age :bUnited StatescUS Department of Health, Education, and Welfare  aMaryland :bUS Department of Health, Education, and Welfarec1974.  a34 p.  aVision problemsvYouths  cRB  00104070aAIISHbAIISHd2022-07-27l0pR55r2022-07-27 00:00:00w2022-07-27yRB