TY  - RPRT
TI  - Statistical report for 1999
AU  - RL Moy
AU  - RM Williams
PY  - 2000
DO  - 10.1046/j.1524-4725.2000.00901.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10759787/
ID  - 10759787
ER  -