TY - RPRT TI - Selective termination to a singleton pregnancy is ethically justified. AU - F A Chervenak AU - L B McCullough AU - R J Wapner PY - 1992 DO - 10.1046/j.1469-0705.1992.02020084.x UR - https://pubmed.ncbi.nlm.nih.gov/12796982/ ID - 12796982 ER -