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Capitalization of Main Entries 

Capitalization of Main Entries
Medical Indexes

Bruce McGregor

and Harriet S. Meyer

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date: 19 January 2020

Although main entries have traditionally featured initial capitals to distinguish them from subentries, The Chicago Manual of Style, 15th edition, recommends lowercase, except when the entry term would begin with a capital, eg, proper nouns. This is especially worthwhile in biomedical publications, in which capitalization may be complex and may distinguish otherwise identical terms. AFP. See α-fetoprotein Afp, 98 AFP, 103 Brca1, 112 BRCA1, 54, 804 809 breast cancer, 50 57, 110 113, 801 815 Haemophilus influenzae Rd, 998 hepatitis, 1015 1028 HindIII, 698 LPL. See lipoprotein lipase LPL, 1092 Staphylococcus aureus, 1056 1077. See also staphylococci

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