Abortion surveillance program of the center for disease control.

Yazar: Smith, J C, Bourne, J P
Baskı/Yayın Bilgisi 1973

Surveillance of abortions in hospitals in the United States, 1970.

Yazar: Kahn, J. B., Bourne, J. P., Asher, J. D., Tyler, C. W.
Baskı/Yayın Bilgisi 1971

Medical complications from induced abortion by the super coil method.

Yazar: Bourne, J P, Berger, G S, Haber, R J, Tyler, C W, Keith, L, Knisely, K, Zackler, J
Baskı/Yayın Bilgisi 1974