共 8 条
[2]
Gulich MS, 1999, BRIT J GEN PRACT, V49, P119
[3]
Hjortdahl Per, 1994, Scandinavian Journal of Primary Health Care, V12, P70, DOI 10.3109/02813439409003678
[5]
PUTTO A, 1987, PEDIATRICS, V80, P6