Symposium on pregnancy  edited by John E. Tyson. 

 - Philadelphia  W.B.Saunders  1977 
 - vii, 1-1442p., ill. 22cm 
 - (the medical clinics of north America, v.61. no.1-6). .
<br/><br/><label>Dewey Class. No.: </label>616.008  / M52M