[Syringe with interchangeable needle for mass vaccination].
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Humans↗
Biomedical subjects
R VOORHORST
Publications and source records attributed to R VOORHORST.
The counting of viable tubercle bacteria.
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Bacteria↗
[The syringe needle and risk of serum hepatitis].
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Hepatitis↗
Bacteriology and treatment of acute otitis media in children.
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Acute Disease↗