January 9, 2014

Quiz Bowl: Forward Slash

Filed under: quizzes — amastyleinsider @ 9:56 am
Tags: ,


Thanks to an astute reader (gold star for Regina Scaringella) who noticed that our use of the forward slash in patient/physician relationship contradicted page 345 of the stylebook, we have revised this post. The following terms are correct: obstetrics/gynecology and patient-physician. (updated 2/3/14)

It should be easy, right? The use of the forward slash, that is. However, every time I encounter a forward slash in a manuscript, I know I’m headed for a fight. It’s me against the sinister solidus. Is it obstetrics/gynecology, obstetrics-gynecology, or obstetrics and gynecology? Is it male/female ratio, male-female ratio, or male to female ratio? I won’t let it defeat me! I shall tame the villainous virgule, and you can too. Below are 2 examples from this month’s Style Quiz that will help you fight the forward slash foe.

Edit the following sentences for appropriate usage of the forward slash based on your understanding of section 8.4 of the AMA Manual of Style.

The male/female ratio was 2/1.

Use your mouse to highlight the text box for the answer: The male to female ratio was 2:1.

Although a forward slash may be used to express a ratio (eg, the male/female ratio was 2/1), the preferred style is to use a colon to express ratios that involve numbers or abbreviations (the Apo B:Apo A-I ratio was 2:1) and the word to to express ratios that involve words (the male to female ratio) (§8.4.5, In Ratios, p 354 in print; see also §8.2.3, Colon, Numbers, p 342).

But what about that pesky relationship between obstetrics and gynecology? Maybe this will help.

The study examined academic performance in undergraduate obstetrics/gynecology clinical rotations. to achieve an effective patient/physician relationship was a top discussion priority at the annual meeting.

This example is correct as is. When 2 terms are of equal weight in an expression and and is implied between them to express this equivalence, the forward slash can be retained (§8.4.1, Used to Express Equivalence or Duality, pp 353-354 in print).

We hope these examples have helped arm you in the battle for mastery over the forward slash. If not, the full quiz (available to subscribers at provides more guidance on the formidable forward slash.—Laura King, MA, ELS


  1. You use the forward slash in the answer to the quiz question above: “patient/physician relationship.” However, on page 345 of the print version of AMA-10, a hyphen is used in a similar phrase: “physican-patient relationship.” Could you please explain why?

    Comment by Regina Scaringella — January 14, 2014 @ 10:52 am | Reply

  2. Thanks for the informative post. One aspect of the forward slash still eludes me though: is it incorrect to follow the slash with a space before the next word (ie, “patient/ physician”…)?

    Comment by Blake gossard — January 17, 2014 @ 4:58 pm | Reply

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