共 8 条
[2]
SMITH W G, 1964, Thorax, V19, P68, DOI 10.1136/thx.19.1.68
[3]
SMITH WE, 1968, PERSONAL COMMUNICATI
[6]
WILLIAMS ROGER, 1960, THORAX, V15, P103, DOI 10.1136/thx.15.2.103
[7]
WILLIAMS ROGER, 1960, THORAX, V15, P109, DOI 10.1136/thx.15.2.109
[8]
1965, NORTHERN DAILY MAIL