TY - RPRT TI - Y chromosome length, extraversion-introversion and neuroticism. AU - W Baekgaard AU - J Nielsen PY - 1975 DO - 10.1111/j.2044-8260.1975.tb00169.x UR - https://pubmed.ncbi.nlm.nih.gov/1191897/ ID - 1191897 ER -