TY  - GEN
AU  - Boomsma,D I
AU  - Frants,R R
AU  - Bank,R A
AU  - Martin,N G
TI  - Protease inhibitor (Pi) locus, fertility and twinning
SN  - 0340-6717
PY  - 1992///0716
KW  - Alleles
KW  - Family Characteristics
KW  - Female
KW  - Fertility
KW  - genetics
KW  - Gene Frequency
KW  - Humans
KW  - Male
KW  - Middle Aged
KW  - Phenotype
KW  - Polymorphism, Genetic
KW  - Pregnancy
KW  - Pregnancy, Multiple
KW  - Twins
KW  - Twins, Dizygotic
KW  - Twins, Monozygotic
KW  - alpha 1-Antitrypsin
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1007/BF00220552
ER  -