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MATERNAL AGE AT BIRTH DELIVERY, BIRTH ORDER AND SECONDARY SEX RATIO IN THE OLD ORDER AMISH OF LANCASTER COUNTY
Maternal Age at Delivery Birth Order Secondary Sex Ratio
2014/11/6
The observation that more boys were born than girls was noted in the late 1660’s. Recent studies suggest the secondary sex ratio (SSR) is declining in industrialized countries. SSR is proposed as a se...
STUDY OF SEX RATIO,ABO AND Rh BLOOD GROUPS DISTRIBUTION IN SOME HAEMATOLOGICAL AND LYMPHATIC DISEASES IN IRAN
Hematological diseases Lymphatic diseases IRAN
2009/12/30
Associations of some hematological and lymphatic diseases with sex and ABO and Rh blood groups were studied in 2579 patients, compared with a control group of 126332 individuals, by the use of clinica...
SEX RATIO IN SNAIL KILLING FLIES SEPEDON SPHEGEA (FABRICIUS) (INSECTA, DIPTERA, SCIOMYZIDAE)
S.sphegea sex ratios genus
2009/12/29
The following three procedures have been used to determine the sex ratio of S.sphegea. The fly is one of the two Iranian species of the genus Sepedon which is fairly dominant in the focus area of Schi...
SEX RATIO IN SNAIL KILLING FLIES SEPEDON SPHEGEA (FABRICIUS) (INSECTA, DIPTERA, SCIOMYZIDAE)
S.sphegea sex ratios genus
2009/12/29
The following three procedures have been used to determine the sex ratio of S.sphegea. The fly is one of the two Iranian species of the genus Sepedon which is fairly dominant in the focus area of Schi...