DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Goff SL, Pekow PS, Markenson G, Knee A, Chasan-Taber L, Lindenauer PK.
Validity of using ICD-9-CM codes to identify selected categories of obstetric complications, procedures and co-morbidities.

Paediatr Perinat Epidemiol 2012;
26 (05) 421-429

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