# `HL7v2.Segment.CM0`
[🔗](https://github.com/Balneario-de-Cofrentes/hl7v2/blob/v3.10.1/lib/hl7v2/segment/cm0.ex#L1)

Clinical Study Master (CM0) segment — HL7v2 v2.5.1.

Contains master information about a clinical study or trial.

11 fields per HL7 v2.5.1 specification.

# `t`

```elixir
@type t() :: %HL7v2.Segment.CM0{
  alternate_study_id: term(),
  chairman_of_study: term(),
  contact_for_study: term(),
  contacts_address: term(),
  contacts_telephone_number: term(),
  extra_fields: term(),
  last_accrual_date: term(),
  last_iru_date: term(),
  set_id: term(),
  sponsor_study_id: term(),
  title_of_study: term(),
  total_accrual_to_date: term()
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*