When the first periodic table was formulated by Mendeleev ... It is unfortunate that technetium is radioactive, otherwise this method could be used in situations other than with steel in carefully ...

The wonder of Radium, a glowing treasure discovered by Marie Curie, blinded the world to its perils... and it quickly became ...

Background: Palladium has become an important contact allergen because of increased use in industry, jewelry, and dentistry. Objective: To determine the frequency of palladium allergy in a US ...

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