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H. F. Hsü
,
S. Y. Li Hsü
, and
L. S. Ritchie
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Yuri Otori
,
L. S. Ritchie
, and
G. W. Hunter III
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Studies on Schistosomiasis

VII. Observations on Some Surfactants for Dispersing Insoluble Molluscicides

Robert E. Freytag
,
G. W. Hunter III
, and
L. S. Ritchie
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Chiatung Pan
,
R. R. Williams
, and
L. S. Ritchie
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David H. Naimark
,
A. S. Benenson
,
J. Oliver-González
,
D. B. McMullen
, and
L. S. Ritchie
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L. S. Ritchie
,
S. Lin
,
A. P. Moon
,
L. P. Frick
,
J. E. Williams
,
S. Asakura
, and
Y. Hishinuma
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Wilda B. Knight
,
Robert A. Hiatt
,
Barnett L. Cline
, and
Lawrence S. Ritchie
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M L Sanders
,
D C Jaworski
,
J L Sanchez
,
R F DeFraites
,
G E Glass
,
A L Scott
,
S Raha
,
B C Ritchie
,
G R Needham
, and
B S Schwartz
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