Gastroenterology

Gastroenterology

Volume 132, Issue 4, April 2007, Pages A44-A46
Gastroenterology

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Style Guide

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Abbreviations, Acronyms, and Short Names

Listed below are the preferred forms of some common abbreviations, acronyms, and short names. Unless otherwise noted, these short forms should always be written out in full in titles. When introducing these abbreviations (or others not listed here), the term should be written out in full and the abbreviation or acronym given in parentheses; therafter only the abbreviations need be used.

    ACTH

    adrenocorticotropic hormone (adrenocorticotropin)

    ADP

    adenosine diphosphate

    ADPase

    adenosine diphosphatase

    ALT

Measurements and Units of Measure

Abbreviate measurements and units of measure only with numerals, in figures, or in the body of tables. In measurements using more than 2 units of measure (e.g., 1.5 μmol/cm2/s), do not use more than one slant line (solidus). Instead, please express the measurement in the following way:

1.5 μmol · cm−2 · s−1

Combining Prefixes

    T

    tera- (1012)

    G

    giga- (109)

    M

    mega- (106)

    k

    kilo- (103)

    h

    hecto- (102)

    da

    deca- (101)

    d

    deci- (10−1)

    c

    centi- (10−2)

    m

    milli- (10−3)

    μ

    micro- (10−6)

    n

    nano- (10−9)

    p

    pico- (10−12)

    f

    femto- (10−15)

    a

    atto- (10−18)

Units

    A

    ampere(s)

    Å

    angstrom(s)

    cal

    calorie(s)

    °C

    degree(s) Celsius

    C

    coulomb(s)

    cpm

    counts per minute

    cps

    counts per second

    cm3

    cubic centimeter(s) (not cc)

    Ci

    Curie(s)

    cycle/min

    cycles per minute

    cycle/s

    cycles per second

    dalton(s)

    dalton(s) (do not abbreviate)

    day(s)

    day(s) (do not abbreviate)

    d

    density

    dpm

    disintegrations per minute

    dps

    disintegrations per second

    eV

    electron volt(s)

    Eq

    equivalent(s)

    °F

    degree(s) Fahrenheit

    F

    farad

    ft

    foot

    G

    gauss

    g

    gram(s)

    g

    gravity(ies)

    t½

    half-life

    H

    henry(ies)

    Hz

    hertz

    h

    hour(s)

    in

    inch(es)

    IU

    international unit(s)

    J

Radioisotopes

Gastroenterology follows the recommendations adopted by the IUB Committee of Editors of Biochemical Journals. The guidelines are:

  • 1

    The symbol for the isotope should be placed in square brackets directly attached to the front of the name or formula labeled (e.g., [14C]urea). The isotopic prefix should be attached to the part of the name to which it refers (e.g., sodium {14C}formate). Exceptions to these guidelines are:

    • A

      When the native chemical or substance does not contain any isotope of the

Statistical Terms

    χ2 method

    chi-squared method

    r

    correlation coefficient

    df

    degrees of freedom

    mean

    NS

    not significant

    n

    number of observations

    P

    probability

    SD

    standard deviation

    SEM

    standard error of the mean

    Student t test

    express in full

    F

    variance ratio

General Information

Chemical names. Chemical names should be spelled and styled according to the Merck Index, 10th edition.

Drug names. Please use generic names wherever possible. If a trade name drug was used in the study being reported, please cite the trade name in parentheses, along with the manufacturer’s name and location (see Manufacturers).

Greek letters. Current preferred style favors the use of Greek letters over their English equivalents. Thus alpha-l-antitrypsin and gamma-globulin should be styled α1

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