TY - RPRT TI - Evolution of predetermined germ cells in vertebrate embryos: implications for macroevolution. AU - Andrew D Johnson AU - Matthew Drum AU - Rosemary F Bachvarova AU - Thomas Masi AU - Mary E White AU - Brian I Crother DO - 10.1046/j.1525-142x.2003.03048.x UR - https://pubmed.ncbi.nlm.nih.gov/12823457/ ID - 12823457 ER -