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For other uses, see Calcium (disambiguation). 20 potassium ← calcium → scandium Mg ↑ Ca ↓ Sr periodic table General Name, Symbol, Number calcium, Ca, 20 Chemical series alkaline earth metals Group, Period, Block 2, 4, s Appearance silvery white Atomic mass 40.078(4) g/mol Electron configuration [Ar] 4s2 Electrons per shell 2, 8, 8, 2 Physical properties Phase solid Density (near r.t.) 1.55 g·cm−3 Liquid density at m.p. 1.378 g·cm−3 ...
Wikipedia - [full article]
Resources
- "Calcium Crisis" Affects American Youth (National Institute of Child Health and Human Development)
- Aortic Valve Calcification (Aortic Valve Sclerosis) (Mayo Foundation for Medical Education and Research)
- ¿Tiene sus huesos sanos? (Osteoporosis and Related Bone Diseases National Resource Center, NIAMS, NIH, HHS)
- Bone Builders: Support Your Bones with Healthy Habits (Office of Consumer Affairs, OEA, FDA,)
- Breast Calcifications: Are They Cancer? (Mayo Foundation for Medical Education and Research)
- Calcium (National Institutes of Health)
- Calcium (Lab Tests Online)
- Calcium (University of Maryland Medical Center)
- Calcium (American Academy of Orthopaedic Surgeons)
- Calcium (National Women's Health Information Center)
- Calcium (Medline Plus)
- Calcium & Milk: What's Best for Your Bones? (Harvard School of Public Health)
- Calcium & Vitamin D (National Osteoporosis Foundation)
- Calcium at the Diet Channel (The Diet Channel)
- Calcium Pentagastrin Test (National Institutes of Health, Clinical Center) - Links to PDF File
- Calcium Supplements (National Osteoporosis Foundation)
- Calcium Supplements: Calculating Calcium Content (Mayo Foundation for Medical Education and Research)
- Calcium Test (American Association for Clinical Chemistry)
- Calcium, Vitamin D combo Reduces Bone Loss, Fracture Rate for Older People (National Institute on Aging Information Center, NIA, NIH, HHS)
- Calcium-Cool Cuisine (Centers for Disease Control and Prevention)
- Calcium: What Is It? (Office of the Director)
- Childhood and Adolescent Nutrition: Why Milk Matters Now for Children and Teens (National Institute of Child Health and Human Development)
- ClinicalTrials.gov: Calcium, Dietary (National Institutes of Health)
- During Your Pregnancy: Do You Get Enough Calcium Every Day? (March of Dimes Birth Defects Foundation)
- Food and Nutrition Information Center
- Hipercalcemia (National Cancer Institute)
- Hypercalcemia (Mayo Foundation for Medical Education and Research)
- Hypercalcemia (PDQ) (National Cancer Institute)
- HypercalcemiaSupportive Care - Health Professionals (National Cancer Institute)
- Information for Patients about Primary Hyperparathyroidism (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
- Kids and Their Bones: A Guide for Parents (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
- La Importancia de la Leche (National Institute of Child Health and Human Development Clearinghouse, NICHD, NIH, HHS)
- Low Dietary Calcium May Be a Major Cause of Nutritional Rickets Among North American Infants (Endocrine Society)
- Milk Matters for Your Child's Health! [Easy-to-Read] (National Institute of Child Health and Human Development)
- Milk Matters for Your Child's Healthy Mouth (National Institute of Child Health and Human Development)
- Milk Matters Web Games for Kids and Teens (National Institute of Child Health and Human Development)
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- National Institute of Child Health and Human Development
- National Institutes of Health, Office of Dietary Supplements
- NCCAM Consumer Advisory on Coral Calcium (National Center for Complementary and Alternative Medicine)
- Nutrients Your Child Needs: Calcium, Iron, Fiber (Nemours Foundation)
- Nutrition and the Skeleton (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
- Optimal Calcium Intake (Office of Medical Applications of Research)
- Osteoporosis (Nemours Foundation)
- Osteoporosis Overview (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
- Powerful Bones. Powerful Girls.™ Web Site for Parents (Centers for Disease Control and Prevention (CDC))
- Powerful Girls Need Calcium (Centers for Disease Control and Prevention)
- Renal Osteodystrophy (National Institute of Diabetes and Digestive and Kidney Diseases)
- Use of Bisphosphonates in Metabolic Bone Diseases (National Institute of Arthritis and Musculoskeletal and Skin Diseases)
- Why Calcium? Calcium Counts (National Institute of Child Health and Human Development)
- Why Calcium? Sources of Calcium (National Institute of Child Health and Human Development)
- Why Milk Matters: Questions and Answers for Professionals (National Institute of Child Health and Human Development Clearinghouse, NICHD, NIH, HHS)
- Your Family's Calcium Needs (Centers for Disease Control and Prevention)

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