TY  - RPRT
TI  - Register cannot replace prospective studies in sickle cell disease.
AU  - A Yardumian
AU  - A Olujohungbe
AU  - K Cinkotai
PY  - 1999
DO  - 10.1136/bmj.318.7184.671a
UR  - https://pubmed.ncbi.nlm.nih.gov/10066225/
ID  - 10066225
ER  -