TY - GEN AU - Batschelet,E AU - Hillman,D AU - Smolensky,M AU - Halberg,F TI - Angular-linear correlation coefficient for rhythmometry and circannually changing human birth rates at different geographic latitudes SN - 0300-9998 PY - 1974///0403 KW - Biological Clocks KW - Birth Rate KW - Circadian Rhythm KW - Computers KW - Demography KW - Environment KW - Factor Analysis, Statistical KW - Female KW - Fertility KW - Humans KW - Pregnancy KW - Probability N1 - Publication Type: Journal Article ER -