Original language | English (US) |
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Pages (from-to) | 125-133 |
Number of pages | 9 |
Journal | Historical Methods |
Volume | 32 |
Issue number | 3 |
DOIs | |
State | Published - Jan 1 1999 |
Bibliographical note
Funding Information:I. The 1860 and 1870 sample construction projects were funded by the National Institute of Child Health and Development (Grant HD34572).