000 00637 a2200205 4500
005 20250512170110.0
264 0 _c19711030
008 197110s 0 0 eng d
022 _a0025-7583
040 _aNLM
_beng
_cNLM
100 1 _aO'Rourke, R A
245 0 0 _aExtra heart sounds--what do they mean?
_h[electronic resource]
260 _bMedical times
_cAug 1971
300 _a188 passim p.
_bdigital
500 _aPublication Type: Journal Article
650 0 4 _aDiagnosis, Differential
650 0 4 _aHeart Auscultation
650 0 4 _aHeart Diseases
_xdiagnosis
773 0 _tMedical times
_gvol. 99
_gno. 8
_gp. 188 passim
999 _c5567755
_d5567755