Donation and Receiving Probabilities: The probabilities for each blood group to donate and receive blood. Global Population Distribution: The global population distribution across different blood ...

Access the existing classifications by DOI, or create your own with the simple to use API. Group microtopics into ontologies such as Fields of Research or Sustainable Development Goals.

Discontinuous variation refers to things like eye colour or blood group, which have a limited number of possible values. In other words, a person's blood can be A, B, AB or O, but it can't be ...