It is often found in summaries of rare genotypes or atypical antibodies in medical journals.
Full text of Survey of Current Business : February 1956 - FRASER 51955 rar
It is a common abbreviation for Rariores , used in historical botanical texts like Wallich's Plantae Asiaticae Rariores (1830), which are often cited in modern botanical repositories alongside records from 1955. 3. File Archives (MediaFire/Social Media) It is often found in summaries of rare