Nicholls, L. (1935). Nerve and Cord Degeneration Referable to Vitamin-A Deficiency. Ind Med Gaz.
Dyfyniad Arddull ChicagoNicholls, Lucius. "Nerve and Cord Degeneration Referable to Vitamin-A Deficiency." Ind Med Gaz 1935.
Dyfyniad MLANicholls, Lucius. "Nerve and Cord Degeneration Referable to Vitamin-A Deficiency." Ind Med Gaz 1935.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.