Calcium
There are notable characteristics, occurrence, applications (compounds, H and K lines), history, compounds, isotopes, nutrition (dietary calcium supplements, prevention of fractures due to osteoporosis, possible cancer prevention, overdose) about calcium.
Подобные документы
Purines fused with five-membered heterocycles: pyrrolo-, oxazolo-, thiazolo-, imidazo-, pyrazolo-, triazolo- and tetrazolo-purines. Purines annulated with five-membered rings. Compounds with a greater selective efficacy without the unwanted side-effects.
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