TY  - RPRT
TI  - Twin studies in relation to adjustive problems in man.
AU  - F J KALLMANN
PY  - 1951
DO  - 10.1111/j.2164-0947.1951.tb01026.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14855610/
ID  - 14855610
ER  -