TY - GEN AU - Wuerl,Donald TI - Pastoral letter on human embryonic stem cell research SN - 0093-609X PY - 2005///0823 KW - Catholicism KW - Embryo Research KW - ethics KW - Embryo, Mammalian KW - cytology KW - Humans KW - Politics KW - Stem Cells KW - Value of Life N1 - Publication Type: Journal Article ER -