Between 1969 and 1977, the Institute of Nutrition of Central America and Panama (INCAP) conducted a study of growth and development of children living in 4 villages in Guatemala.

• 自1969到1977年，中美洲和巴拿马营养学院（INCAP）对危地马拉的4个村子开展了一项关于儿童生长发育的研究。