TY  - RPRT
TI  - British motor neuron disease twin study.
AU  - A J Graham
AU  - A M Macdonald
AU  - C H Hawkes
PY  - 1997
DO  - 10.1136/jnnp.62.6.562
UR  - https://pubmed.ncbi.nlm.nih.gov/9219739/
ID  - 9219739
ER  -