Differential birth rate

alternating differential of differential form

Bus Differential Complex Percentage Differential Protection

(sarcastic) people who give more births than birth quota allows

100th anniversary of Hua’s birth

a newborn with light weight at birth

A Research into the Birth Year of Guan Zhong

a second birth

a soft birth canal hematoma

Abnormal birth

Abnormal gestation and birth

Abnormally high Sex Raxio at Birth

activephase of birth process

actual birth weight

adverse birth outcomes

after birth

After-birth

age dependent birth and death process

age-dependent birth and death process