Fondell E, Balter O, Rothman KJ. Dietary intake and supplement use of vitamins C and E and upper respiratory tract infection. J Am Coll Nutr. 2011 Aug 1;30(4):248-58.
Martin AV, Coffield K. Hemophilia: information for educators and communication disorders specialists. Poster presented at the American Speech-Language-Hearing Association; April 1997. [abstract] Perspect Lang Learn Educ. 1997 Apr; 4:13-5.