Becker El
发表
Cameron Js,
Becker El,
1964
.
Becker El,
1976
.
S. Jk,
Becker El,
1968
.
Becker El,
1969,
British medical journal.
Becker El,
1979
.
Becker El,
Showell Hj,
1972
.
Becker El,
1960
.
Becker El,
1999
.
Becker El,
1953
.
Becker El,
Wrigley Ka,
Sherman Rl,
1973
.
Becker El,
1964
.
M. Abercrombie,
Zigmond Sh,
M Abercrombie,
1977,
Bulletin of the World Health Organization.
Becker El,
Oliver Jm,
Krawiec Ja,
1978
.
Becker El,
1986
.
Becker El,
N. Ph,
Sha'afi Ri,
1983
.
Becker El,
Unger Am,
1957
.