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R-219

National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
1977
1977
[Pigmented cosmetic dermatitis induced by R-219 (a tar pigment)].
1973
1973
A Comparison of Three Types of Day Care and Nursery School-Home Care.
A study was conducted comparing young children's experiences in three types of day care--closed structure, open structure and… 
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