共 9 条
[1]
COOPER K E, 1950, J R Sanit Inst, V70, P200, DOI 10.1177/146642405007000306
[2]
Davies IG, 1942, LANCET, V1, P129
[3]
Felix A, 1934, LANCET, V2, P186
[5]
HAMMARSTROM E, 1947, LANCET, V252, P102
[6]
HAMMARSTROM EH, 1949, THESIS STOCKHOLM
[9]
MAYRHARTING A, 1949, THESIS BRISTOL U