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Dear All,

I have a problem in creating reference according to the Journal of Molecular
Biology style.  The JMB journal requires that in-text citation be cited with the
(author, year) format and references are grouped at the end alphabetically.
When 2 papers of the same authour in same year are referred, the papers are
referred to like this:

(Smith, 1993a) and (Smith, 1993b)

and the small alphabets "a" and "b" are added after the year at the end
reference list.

I have no problem in formating a single paper.  I just typed "1993a" and "1993b"
in the year field of the reference and it works fine.  However, if I have a
master library that I use for all my works, and if in another paper I only refer
to the first Smith's paper, then the paper will still be referred to as (Smith,
1993a) despite that there is no (Smith, 1993b).  Is it possible to format the
paper with automatic detection of this type of doubly-referred citations without
putting "a"s and "b"s into the year field?

Thanks.

Wai Chen

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Yu Wai  CHEN
        Centre for Protein Engineering, MRC Centre,
        Hills Road, Cambridge  CB2 2QH, U.K.
E-mail: ywc@mrc-lmb.cam.ac.uk
   Tel: (UK)-223-402152    Fax: (UK)-223-402140
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