TY  - RPRT
TI  - Letter: Risks of malformed relatives.
AU  - B Field
AU  - C Kerr
PY  - 1976
DO  - 10.1016/s0140-6736(76)91046-1
UR  - https://pubmed.ncbi.nlm.nih.gov/59258/
ID  - 59258
ER  -