Biochemical methodology for the assessment of vitamin A status / 
Guillermo Arroyave ... [et al.] 
 - Washignton :  International Vitamin A Consultative Group,  1982 
 - 92 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0935368272  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vitamin A--analysis
<br/><br/><label>National Library of Medicine Call No.: </label>QU167  / .B615 1982 9