The term sickle cell disease (SCD) describes a group of inherited red blood cell disorders. People with SCD have abnormal hemoglobin, called hemoglobin S or sickle hemoglobin, in their red blood cells.
2 v, [kÉntraktâ²] , to make such an agreement or promise. contractual, adj. A written, dated and signed agreement between two or more parties, which sets out any arrangements on delegation and distribution of tasks and obligations, and, if appropriate, on financial matters. A clinical trial protocol may serve as the basis for a contract. contract.
An agreement between two or more competent parties in which an offer is made and accepted, and each party benefits. The agreement can be formal, informal, written, oral or just plain understood. Some contracts are required to be in writing in order to be enforced.(2) An agreement between two or more parties which creates obligations to do or not do the specific things that are the subject of that agreement.Examples of a contract are a lease, a promissory note, or a rental agreement.ome contracts are required to be in writing in order to be enforced. (2) An agreement between two or more parties which creates obligations to do or not do the specific things that are the subject of that agreement. Examples of a contract are a lease, a promissory note, or a rental agreement.