[Changes in the midwifery profession. 11. The process leading to dissolution of the Japanese Society of Midwifery (1948)]. Obayashi M. Josanpu Zasshi. 1986 Jan;40(1):64-71. PMID: 3636422
The disease concept in psychology. MARZOLF SS. Psychol Rev. 1947 Jul;54(4):211-21. doi: 10.1037/h0059436. PMID: 20254748
The concept of threshold. BROWER D. J Gen Psychol. 1947;37:79-81. doi: 10.1080/00221309.1947.9918135. PMID: 20262029
[Better recognition of the midwifery profession: a comparison with the midwifery activities in the United States]. Suzui E. Josanpu Zasshi. 1985 Mar;39(3):233-9. PMID: 3854611
The concept of heed. PLACE UT. Br J Psychol. 1954 Nov;45(4):243-55. doi: 10.1111/j.2044-8295.1954.tb01252.x. PMID: 13219283
