Cennad
Subtitle: cylchgrawn y Gymdeithas Feddygol.
Contributors: Cymdeithas Feddygol.
Publisher: Cymdeithas Feddygol
Published: 1980
Place of publication: Penrhyndeudraeth (c/o I. Parri, Caereuni, Penrhyndeudraeth, Gwynedd LL48 6RT)
Language: wel
Subjects: Medicine.
Notes: Description based on, Cyfrol 4, rhif 2 (Hyd. 1983).