- A new diagnostic test for VLCAD deficiency using immunohistochemistry. Ohashi, Y., Hasegawa, Y., Murayama, K., Ogawa, M., Hasegawa, T., Kawai, M., Sakata, N., Yoshida, K., Yarita, H., Imai, K., Kumagai, I., Murakami, K., Hasegawa, H., Noguchi, S., Nonaka, I., Yamaguchi, S., Nishino, I. Neurology (2004)