It is part of the Digital Object Identifier (DOI) for specific medical studies, such as research on the paleopathology of syphilis (doi: 10.1078/0018-442x-00037).

"442x" is sometimes used as a shorthand for specific model series in networking equipment or industrial sensors.

It appears as a portion of an ORCID iD for researchers, such as Lion Shahab from University College London (ORCID: 0000-0003-4033-442X), who focuses on tobacco control and health psychology.

Depending on your intent, it could relate to several different topics:

442x

It is part of the Digital Object Identifier (DOI) for specific medical studies, such as research on the paleopathology of syphilis (doi: 10.1078/0018-442x-00037).

"442x" is sometimes used as a shorthand for specific model series in networking equipment or industrial sensors. It is part of the Digital Object Identifier

It appears as a portion of an ORCID iD for researchers, such as Lion Shahab from University College London (ORCID: 0000-0003-4033-442X), who focuses on tobacco control and health psychology. It is part of the Digital Object Identifier

Depending on your intent, it could relate to several different topics: It is part of the Digital Object Identifier

Please note that if you are under 18, you won't be able to access this site.

442x

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