Osujih, Michael. <br/><br/>
Menstruation problems in Nigeria students and sex education. 

 - Port Harcourt :  Rivers State College of Education,  1986. 
<br/><br/> This paper discusses menstrual disorders such as amnorrhoea caused by tumors or abnormalities of the reproductive organs or by pelvic infections. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Women -- Zambia--Women -- Zambia<br/>Women -- Gyneacology.--Women -- Gyneacology.