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A randomized trial of two vacuum extraction techniques
James A. Bofill, Orion A. Rust, Stephen J. Schorr, Robert C. Brown, William E. Roberts, John C. MorrisonVolume:
89
Year:
1997
Language:
english
DOI:
10.1016/s0029-7844(97)00080-x
File:
PDF, 664 KB
english, 1997