Variation is the rule.
Davis
E
E
D001291:Attitude of Health Personnel; D005260:Female; D006801:Humans; D007587:Job Description; D008016:Life Change Events; D009321:Natural Childbirth / Q000451:nursing* / Q000523:psychology*; D009721:Nurse Midwives / Q000523:psychology*; D011247:Pregnancy; D012016:Reference Values; D012649:Self Concept; D014933:Women's Rights