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Studies on Trachoma
VI. Microbiological Observations in a Field Trial in Saudi Arabia of Bivalent Trachoma Vaccine at Three Dosage Levels
Roger L. Nichols
,
Samuel D. Bell Jr.
,
Nadim A. Haddad
, and
Arthur A. Bobb
Studies on Trachoma
V. Clinical Observations in a Field Trial of Bivalent Trachoma Vaccine at Three Dosage Levels in Saudi Arabia
R. L. Nichols
,
S. D. Bell Jr.
,
E. S. Murray
,
N. A. Haddad
, and
A. A. Bobb