TY - GEN AU - Lederman,R P AU - Lederman,E AU - Work,B A AU - McCann,D S TI - Relationship of psychological factors in pregnancy to progress in labor SN - 0029-6562 PY - 1979///0523 KW - Adaptation, Psychological KW - Anxiety KW - Conflict, Psychological KW - Epinephrine KW - blood KW - Female KW - Humans KW - Labor, Obstetric KW - Personality Assessment KW - Pregnancy KW - Pregnancy Trimester, Third N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -