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Dyfyniad Arddull ChicagoAldridge, M. C., and J. Horner. Can Cholangiography Be Safely Abandoned in Laparoscopic Cholecystectomy? Royal College of Surgeons of England, 1993.
Dyfyniad MLAAldridge, M. C., and J. Horner. Can Cholangiography Be Safely Abandoned in Laparoscopic Cholecystectomy? Royal College of Surgeons of England, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.