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Hölzel is a life science reagent vendor based in Cologne, Germany. As a distributor, they offer products suitable for many kinds of research areas such as oncology, neuroscience, immunology, and more. Their portfolio consists of antibodies, recombinant proteins, inhibitors, ELISA-kits as well as other assays, arrays and kits. Their inhibitor portfolio can be easily accessed via the CAS-register catalog.

Database contains all publicly available HMS LINCS datasets and information for each dataset about experimental reagents (small molecule perturbagens, cells, antibodies, and proteins) and experimental and data analysis protocols.

Database contains all publicly available HMS LINCS datasets and information for each dataset about experimental reagents (small molecule perturbagens, cells, antibodies, and proteins) and experimental and data analysis protocols.

Database contains all publicly available HMS LINCS datasets and information for each dataset about experimental reagents (small molecule perturbagens, cells, antibodies, and proteins) and experimental and data analysis protocols.

Database contains all publicly available HMS LINCS datasets and information for each dataset about experimental reagents (small molecule perturbagens, cells, antibodies, and proteins) and experimental and data analysis protocols.

A registry of code systems (each are small vocabularies themselves) used by HL7 international, related to FHIR.

A registry of code systems (each are small vocabularies themselves) used by HL7 international, related to FHIR.

The HGVS Nomenclature is an internationally-recognized standard for the description of DNA, RNA and protein sequence variants. It is used to convey variants in clinical reports and to share variants in publications and databases. The HGVS Nomenclature is administered by the [HGVS Variant Nomenclature Committee (HVNC)](https://hgvs-nomenclature.org/stable/hvnc/) under the auspices of the [Human Genome Organization (HUGO)](https://hugo-int.org/).

An identifier for institutions in the United Kingdom, used in GRID and ROR.

HEPRO is an ontology of informational entities and processes related to health procedures and health activities.

HemOnc.org is the largest freely available medical wiki of interventions, regimens, and general information relevant to the fields of hematology and oncology.

Identifiers correspond to hemolytic and non-hemolytic peptides for therapeutic and diagnostic research

Welcome to the web site of the Handle.Net Registry (HNR), run by Corporation for National Research Initiatives (CNRI). CNRI is a Multi-Primary Administrator (MPA) of the Global Handle Registry (GHR), authorized by the DONA Foundation to allot prefixes to users of the Handle System. The DONA Foundation is a non-profit organization based in Geneva that has taken over responsibility for the evolution of CNRI's Digital Object (DO) Architecture including outreach around the world. One of the Foundation's responsibilities is to administer and maintain the overall operation of the GHR, a task that was previously performed by CNRI. (from website)

HCPCS is a collection of standardized codes that represent medical procedures, supplies, products and services. The codes are used to facilitate the processing of health insurance claims by Medicare and other insurers.

Health Canada, through its Clinical Trials Database, is providing to the public a listing of specific information relating to phase I, II and III clinical trials in patients. The database is managed by Health Canada and provides a source of information about Canadian clinical trials involving human pharmaceutical and biological drugs. [from website]

The Licensed Natural Health Products Database contains information about natural health products that have been issued a product licence by Health Canada.

A Drug Identification Number (DIN) is a computer-generated eight digit number assigned by Health Canada to a drug product prior to being marketed in Canada. It uniquely identifies all drug products sold in a dosage form in Canada and is located on the label of prescription and over-the-counter drug products that have been evaluated and authorized for sale in Canada.

A controlled vocabulary to support the study of transcription in the human brain

Hathitrust is a partnership of academic and research institutions, offering a collection of millions of titles digitized from libraries around the world.

Literature references in the Hymenoptera Anatomy Ontology Portal

The Gaia-X ontology defines classes and properties for describing participants, service offerings, resources, and compliance credentials within the Gaia-X federated data infrastructure ecosystem. It provides machine-readable SHACL shapes and JSON-LD contexts for verifiable credentials in conformity with the Gaia-X Trust Framework.