Analysis of case-control data derived in part from proxy respondents.
Walker
A M
AM
Harvard School of Public Health, Boston, MA 02115.
Velema
J P
JP
Robins
J M
JM
D003625:Data Collection / Q000379:methods*; D004812:Epidemiologic Methods; D006801:Humans; D009017:Morbidity; D012907:Smoking; D013223:Statistics as Topic