(1988). Vitamin A supplemnsts Aguide to their use in the treatment and prevention of vitamin A deficiency and xerophthalmia <i>en</i>.
Cita Chicago (17th ed.)Vitamin A Supplemnsts Aguide to Their Use in the Treatment and Prevention of Vitamin A Deficiency and Xerophthalmia <i>en</i>. 1988.
Cita MLA (9th ed.)Vitamin A Supplemnsts Aguide to Their Use in the Treatment and Prevention of Vitamin A Deficiency and Xerophthalmia <i>en</i>. 1988.
Atenció: Aquestes cites poden no estar 100% correctes.