TY  - BOOK
AU  -  Mtawali,Grace
TI  -  The menstrual cycle and its relation to contraceptive methods : :  a reference for reproductive health trainers / 
SN  -  1881961109
PY  - 1997///
CY  -  Chapel Hill, Carolina : 
PB  -  Intrah, 
KW  -  Menstrual Cycle
KW  -  Contraceptive devices
N1  -  Includes bibliographical references (p. 77-82)
ER  -