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Citation |
Reading RW, Hofstetter HW. Am. J. Optom. Arch. Am. Acad. Optom. 1969; 46(12): 954-959. |
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Copyright |
(Copyright © 1969, American Journal of Optometry Publishing Association) |
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DOI |
unavailable |
PMID |
5262339 |
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Abstract |
unavailable. |