TY  - BOOK
AU  - Zaal,Jan
TI  - A study on the prevalence and implications of hypolactasia in Surinam's bushnegro-children
PY  - 1977///
KW  - Lactation disorders
KW  - Lactose intolerance
KW  - Dissertations, Academic
KW  - Suriname
N1  - Summary in Dutch; Thesis (doctoral) - Universiteit van Amsterdam, 1977
ER  -