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1Academic Journal
المؤلفون: Irving, William R., Herrick, William C.
المصدر: American Journal of Clinical Pathology ; volume 47, issue 6, page 729-733 ; ISSN 0002-9173 1943-7722
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2Academic Journal
المؤلفون: Collier, A.M., Connor, James D., Irving, William R.
المصدر: The Journal of Pediatrics ; volume 69, issue 6, page 1073-1078 ; ISSN 0022-3476
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3Periodical
المصدر: New England Journal of Medicine; November 1971, Vol. 285 Issue: 21 p1180-1182, 3p