TY  - RPRT
TI  - Ascertainment in the sequential sampling of pedigrees.
AU  - C Cannings
AU  - E A Thompson
PY  - 1977
DO  - 10.1111/j.1399-0004.1977.tb00928.x
UR  - https://pubmed.ncbi.nlm.nih.gov/334399/
ID  - 334399
ER  -