Sickle
- A sickle, bagging hook or reaping-hook, is a hand-held agricultural tool designed with variously curved blades and typically used for harvesting, or reaping, grain crops or cutting succulent
Sickle cell disease
- Sickle cell disease (SCD) is a group of blood disorders typically inherited from a person's parents. The most common type is known as sickle cell anaemia (SCA).
Sick leave
- Sick leave (or paid sick days or sick pay) is time off from work that workers can use to stay home to address their health and safety needs without losing pay.
Sickle cell trait
- Sickle cell trait describes a condition in which a person has one abnormal allele of the hemoglobin beta gene (is heterozygous), but does not display the severe symptoms of sickle-cell diseas
Sickle Cell Disease Association of America
- The Sickle Cell Disease Association of America, Inc. (SCDAA) is a nonprofit organization with the sole purpose of supporting research, education and funding of individuals, families those who
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