DOI: 10.1055/s-00030576

Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics

References

Chapman CR, Syrjala KL.
Measurement of pain.

In: Bonica JJ, editor.
The management of pain. 2nd ed.

Philadelphia: Lea & Febiger; 1990. . p. 580–94

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