PHILADELPHIA ACADEMY OF SURGERY
1999 RESIDENT COMPETITION
1999 PODIUM PRESENTATIONS
Isabelle A. Siffring, MD, Abington Memorial Hospital
"Extending Breast Conservation Using Resection of the Nipple-Areolar Complex"
David Kooby, MD. Hahnemann University Program
"Oncolytic Viral Therapy for Experimental Colorectal Cancer Using the Attenuated Herpes Simplex Virus G207"
Kenneth W. Liechty, MD, Children's Hospital of Philadelphia
"Engraftment and Differentiation of Human Mesenchymal Stem Cells after in Utero Transplantation in Fetal Sheep"