TY  - RPRT
TI  - The evolution of an evaluation: methodological problems in programs for school age mothers.
AU  - L V Klerman
AU  - J F Jekel
AU  - J B Currie
AU  - I W Gabrielson
AU  - P M Sarrel
PY  - 1973
DO  - 10.2105/ajph.63.12.1040
UR  - https://pubmed.ncbi.nlm.nih.gov/4759869/
ID  - 4759869
ER  -