The use of natural childbirth methods in Melbourne labour wards: a midwife opinion survey.
D000773:Anesthesia, Obstetrical; D001291:Attitude of Health Personnel; D001294:Attitude to Health; D001945:Breathing Exercises; D005260:Female; D006801:Humans; D008880:Midwifery; D009321:Natural Childbirth; D011247:Pregnancy; D012063:Relaxation