Larsen, U; Vaupel, J W (1993) Hutterite fecundability by age and parity: strategies for frailty modeling of event histories. Demography 30:81-102 |
Larsen, U; Menken, J (1991) Individual-level sterility: a new method of estimation with application to sub-Saharan Africa. Demography 28:229-47 |
Larsen, U (1990) Short-term fluctuations in death by cause, temperature, and income in the United States, 1930-1985. Soc Biol 37:172-87 |