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Suminski N, Johnson MB, Ralls PW.Suminski N, et al. Among authors: ralls pw.J Clin Ultrasound. 1991 Mar-Apr;19(3):183-6. doi: 10.1002/jcu.1870190312.J Clin Ultrasound. 1991.PMID: 1849928No abstract available.
Matcuk GR Jr, Grant EG, Ralls PW.Matcuk GR Jr, et al. Among authors: ralls pw.Ultrasound Q. 2014 Mar;30(1):41-8. doi: 10.1097/RUQ.0b013e3182a80c98.Ultrasound Q. 2014.PMID: 24901778