121
by Kohen, Jorge A.
Published 1997
Subjects: ...Medical. Epidemiology....
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123
Published 2006
Subjects: ...Epidemiology....
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124
by Martínez S., Carolina.
Published 2000
Subjects: ...Medical. Epidemiology....
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126
by Álvarez Heredia, Francisco.
Published 2009
Subjects: ...Epidemiology....
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127
128
by Thome Juca, Norma.
Published 1993
Subjects: ...Epidemiology....
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130
by Fernández Braña, Miguel,
Published 2014
Subjects: ...Communicable diseases Spain Epidemiology....
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131
Subjects: ...Epidemiology Research Methodology....
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132
Published 2004
Subjects: ...AIDS (Disease) Epidemiology....
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133
Published 2014
Subjects: ...Epidemiology Research Methodology....
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134
Published 2008
Subjects: ...Epidemiologic Methods...
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135
by Barquera, Simón.
Published 2005
Subjects: ...Medical. Epidemiology. Periodicals. Mexico....
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138
by Abramson, J. H..
Published 1990
Subjects: ...Epidemiology....
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139
by Barroso García, Pilar,
Published 2004
Subjects: ...Epidemiology....
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140
Subjects: ...Parasitic diseases Epidemiology....
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