TY  - RPRT
TI  - Sampling issues in a regional pediatric practice-based network.
AU  - Y D Senturia
AU  - H J Binns
AU  - K K Christoffel
PY  - 1994
UR  - https://pubmed.ncbi.nlm.nih.gov/8163968/
ID  - 8163968
ER  -