共 22 条
[4]
Cranney M, 1996, BRIT J GEN PRACT, V46, P661
[9]
Hetlevik Irene, 1994, Tidsskrift for den Norske Laegeforening, V114, P1709
[10]
Hollnagel H, 1995, FAM PRACT, V12, P423