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Bryce RL, Pritchard RC.Bryce RL, et al. Among authors: pritchard rc.Aust N Z J Obstet Gynaecol. 1981 Nov;21(4):211-3. doi: 10.1111/j.1479-828x.1981.tb00133.x.Aust N Z J Obstet Gynaecol. 1981.PMID: 6951561No abstract available.
Herkes GK, Fryer J, Rushworth R, Pritchard R, Wilson RM, Joffe R.Herkes GK, et al.Aust N Z J Med. 1989 Oct;19(5):475-8. doi: 10.1111/j.1445-5994.1989.tb00311.x.Aust N Z J Med. 1989.PMID: 2686611