Bulletin 189. 189. Studies on schistosomiasis [with lists of references; articles] by Willard H. Wright, Eloise B. Cram, Elmer O. Berry, Paul A. Ward, Dorothy Travis, Ruth E. Rue, Virginia S. Files, Myrna F. Jones, William B. Figgat, Frederick J. Brady, Walter L. Newton, S. R. Weibel, Harold B. Warren, Mary Louise Steinle, Mirriel S. Hummel, M. O. Nolan, Elizabeth Rogers Mann, Helen M. Churchill, John Bozicevich, Helen M. Hoyem.

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