Karen Gunnison Ballen

Karen Gunnison Ballen's books

A Tour of Your Circulatory System

4.14 avg rating — 14 ratings

Decoding Our DNA: Craig Venter Vs the Human Genome Project

really liked it 4.00 avg rating — 3 ratings

Umbilical Cord Blood Banking and Transplantation

really liked it 4.00 avg rating — 2 ratings

Seven Wonders of Medicine

0.00 avg rating — 0 ratings

First Graphics: Body Systems

0.00 avg rating — 0 ratings