TY - RPRT TI - Birthweight ratio revisited. AU - K G Brownlee AU - P C Ng AU - S H Roussounis AU - P R Dear PY - 1991 DO - 10.1136/adc.66.4_spec_no.418 UR - https://pubmed.ncbi.nlm.nih.gov/2025035/ ID - 2025035 ER -