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Meanings of unknown origin in English

We have no meanings for "unknown origin" in our records yet.
Usage of unknown origin in English
1
Antitumor effect was detected in one patient with adenocarcinoma of unknown origin.
Pubmed
2
We suggest the diagnosis is a hereditary systemic vasculopathy of unknown origin.
Pubmed
3
US officials said gardeners should not plant seeds of unknown origin.
Radio NZ
4
Soon after hospitalization, the patient presented with persistent MRSA bacteremia of unknown origin.
Pubmed
5
We describe a 64-year-old female patient who presented with fever of unknown origin.
Pubmed
6
Fever of unknown origin is a topic that has enduring interest to physicians.
Pubmed
7
One is a McCallister, and the other is of unknown origin.
Northern Nut Growers Association Report of the Proceedings at th...
8
There is a bio-agent of unknown origin loose beyond our doors.
Wastelands
9
But strangest of all was a report of unknown origin that
The Pharaoh and the Priest: An Historical Novel of Ancient Egypt
10
Earthly legends told of a path, a path of unknown origin.
The Tarn of Eternity
11
However, a large proportion of cases are of unknown origin.
Pubmed
12
Six days ago, a strange device of unknown origin crashed near the Russian Ark.
Stars rain down
13
The CDC said we had first case of unknown origin.
Reuters
14
Fevers of unknown origin remain one of the most difficult diagnostic challenges in medicine.
Pubmed
15
Objective: Rheumatoid arthritis (RA) is a chronic inflammatory disorder of unknown origin.
Pubmed
16
Head-up tilt testing is widely used in the diagnosis of syncope of unknown origin.
Pubmed
This collocation consists of:
Unknown origin through the time
Unknown origin across language varieties
United States of America
Common
United Kingdom
Rare