TY - GEN AU - Werpehowski,W TI - Persons, practices, and the conception argument SN - 0360-5310 PY - 1998///0126 KW - Beginning of Human Life KW - Embryo Research KW - Ethics, Medical KW - Fertilization KW - Fertilization in Vitro KW - legislation & jurisprudence KW - Humans KW - Life KW - Moral Obligations KW - Morals KW - Personhood KW - Theology KW - Twinning, Monozygotic KW - United States KW - Value of Life N1 - Publication Type: Journal Article UR - https://doi.org/10.1093/jmp/22.5.479 ER -