One of a set of signs and symptoms that can be used to distinguish this diagnosis from others in the differential diagnosis.

One or more alternative conditions considered in the differential diagnosis process as output of a diagnosis process.

The trailer of a movie or TV/radio series, season, episode, etc.

The start date and time of the item (in [ISO 8601 date format](http://en.wikipedia.org/wiki/ISO_8601)).

Position of the season within an ordered group of seasons.

The production company or studio responsible for the item, e.g. series, video game, episode etc.

The number of episodes in this season or series.

An episode of a TV, radio or game media within a series or season.

The end date and time of the item (in [ISO 8601 date format](http://en.wikipedia.org/wiki/ISO_8601)).

Example/instance/realization/derivation of the concept of this creative work. E.g. the paperback edition, first edition, or e-book.

An embedded video object.

The version of the CreativeWork embodied by a specified resource.

The typical expected age range, e.g. '7-9', '11-'.

Organization or person who adapts a creative work to different languages, regional differences and technical requirements of a target market, or that translates during some event.

Approximate or typical time it usually takes to work with or through the content of this work for the typical or target audience.

A thumbnail image relevant to the Thing.

The textual content of this CreativeWork.

The Organization on whose behalf the creator was working.

Indicates (by URL or string) a particular version of a schema used in some CreativeWork. This property was created primarily to indicate the use of a specific schema.org release, e.g. `10.0` as a simple string, or more explicitly via URL, `https://schema.org/docs/releases.html#v10.0`. There may be situations in which other schemas might usefully be referenced this way, e.g. `http://dublincore.org/specifications/dublin-core/dces/1999-07-02/` but this has not been carefully explored in the community.

The place and time the release was issued, expressed as a PublicationEvent.

The Event where the CreativeWork was recorded. The CreativeWork may capture all or part of the event.

The publishingPrinciples property indicates (typically via [URL](https://schema.org/URL)) a document describing the editorial principles of an [Organization](https://schema.org/Organization) (or individual, e.g. a [Person](https://schema.org/Person) writing a blog) that relate to their activities as a publisher, e.g. ethics or diversity policies. When applied to a [CreativeWork](https://schema.org/CreativeWork) (e.g. [NewsArticle](https://schema.org/NewsArticle)) the principles are those of the party primarily responsible for the creation of the [CreativeWork](https://schema.org/CreativeWork). While such policies are most typically expressed in natural language, sometimes related information (e.g. indicating a [funder](https://schema.org/funder)) can be expressed using schema.org terminology.

The publisher of the article in question.

A publication event associated with the item.