共 9 条
[1]
BETHUNE DW, IN PRESS
[2]
CAMPBELL EJM, 1960, LANCET, V2, P12
[3]
A NEW MASK FOR DELIVERING OXYGEN OR OTHER GASES
[J].
BRITISH MEDICAL JOURNAL,
1960, 1 (JUN25)
:1941-1942
[4]
THE POLYMASK AS A MEANS OF ADMINISTERING OXYGEN
[J].
BRITISH MEDICAL JOURNAL,
1960, 1 (APR23)
:1254-1256
[6]
COTES BM, 1956, BMJ-BRIT MED J, V1, P269