Nested frailty models using maximum penalized likelihood estimation
1999 ◽
Vol 28
(7)
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pp. 1671-1698
1996 ◽
Vol 55
(1-2)
◽
pp. 159-168
◽
1997 ◽
Vol 18
(2)
◽
pp. 348-359
◽
1999 ◽
Vol 62
(4)
◽
pp. 375-393
1998 ◽
Vol 27
(9)
◽
pp. 2143-2164
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