TY - GEN AU - Zack,B G TI - Abortion and the limitations of science SN - 0036-8075 PY - 1981///0827 KW - Abortion, Spontaneous KW - Beginning of Human Life KW - Embryo, Mammalian KW - Female KW - Humans KW - Jurisprudence KW - Life KW - Personhood KW - Pregnancy KW - United States N1 - Publication Type: Editorial UR - https://doi.org/10.1126/science.7244615 ER -