共 12 条
[1]
[Anonymous], 1990, BMJ, V301, P651
[3]
Jones K, 1992, Qual Health Care, V1, P110, DOI 10.1136/qshc.1.2.110
[4]
PERSON MG, 1992, THORAX, V47, pP209
[7]
1982, BMJ, V285, P1251
[8]
1991, GUIDELINES DIAGNOSIS
[9]
1992, ARCH DIS CHILD, V67, P240
[10]
1990, OCCURRENCE COST ASTH