Quadruplets :  and higher multiple births / 
Marie M, Clay. 
 - Oxford :  MacKeith Press,  1989. 
 - 186 p. :  ill. ;  26 cm. 
 - Clinics in developmental medicine .
<br/><br/><label>ISBN: </label>5632024666 
<br/><br/><label>Subjects--Personal Names: </label><br/>Man , Multiple birth.