Early Human Development
Early Human Development > 2001 > 63 > 2 > 123-130
Early Human Development > 2001 > 63 > 2 > 131-144
Early Human Development > 2001 > 63 > 2 > 103-111
Early Human Development > 2001 > 63 > 2 > 113-122
Early Human Development > 2001 > 63 > 2 > 97-102
Early Human Development > 2001 > 63 > 2 > 79-81
Early Human Development > 2001 > 63 > 2 > 83-95