TY - RPRT TI - Programmed cell death in animal development. AU - M D Jacobson AU - M Weil AU - M C Raff PY - 1997 DO - 10.1016/s0092-8674(00)81873-5 UR - https://pubmed.ncbi.nlm.nih.gov/9039261/ ID - 9039261 ER -