English Causes of autism Cited by user Obversa on 23 Mar 2024 Many causes of autism, including environmental and genetic factors, have been recognized or proposed, but understanding of the theory of causation of autism is incomplete.
English Haplogroup HIJK Cited by user Jacy Ensley on 01 Feb 2024 Haplogroup HIJK, defined by the SNPs F929, M578, PF3494 and S6397, is a common Y-chromosome haplogroup.
English University of Pennsylvania Cited by user USSR-Slav on 27 Jan 2024 The University of Pennsylvania is a private Ivy League research university in Philadelphia, Pennsylvania.