Schaap, A., Wolf, H., Bruinse, H., den Ouden, A. L., Haas, H., van Ertbruggen, I., & Treffers, P. (1997). Influence of obstetric management on outcome of extremely preterm growth retarded infants.

Schaap, A., H. Wolf, H. Bruinse, A L. den Ouden, H. Haas, I. van Ertbruggen, و P. Treffers. Influence of Obstetric Management On Outcome of Extremely Preterm Growth Retarded Infants. 1997.

Schaap, A., et al. Influence of Obstetric Management On Outcome of Extremely Preterm Growth Retarded Infants. 1997.