In dictionaries:
Leukotriene D4
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vitamin D4
(biochemistry) Dihydroergocalciferol; a constituent of vitamin D.
Dopamine receptor D4
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Caterpillar D4
The Caterpillar D4 track-type tractor is a small bulldozer manufactured by Caterpillar Inc.
Peugeot D3 and D4
The Peugeot D3 and its successor, the Peugeot D4 were forward control panel vans sold by Peugeot from October 1950 till 1965.
Nikon D4
a 16.2-megapixel professional-grade full frame (35mm) digital single-lens reflex camera announced by Nikon Corporation on 6 January 2012.
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