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Pulmonary, Respiratory, and Blood Gas Terminology 

Pulmonary, Respiratory, and Blood Gas Terminology

AMA Manual of Style Committee

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date: 28 January 2020

Standardization of symbols in respiratory physiology dates from at least 1950. Despite the familiarity of abbreviations in pulmonary and respiratory medicine, authors and editors are encouraged to expand all terms at first mention, except as noted. Symbols and abbreviations are both used. Symbols consist of separate elements in various combinations whose letters may differ from the initial letters of the expansion, eg, Q˙ (perfusion). Abbreviations are usually initialisms. Symbols and their subgrouping into main symbols and modifiers are consistent with approved nomenclature formulated circa 1980 by the Commission of Respiratory Physiology (International Union of Physiological Sciences) and the Publications Committee

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